diff --git a/src/Apis/v1_0.php b/src/Apis/v1_0.php
index b8edf93..f9ba0ab 100644
--- a/src/Apis/v1_0.php
+++ b/src/Apis/v1_0.php
@@ -174,8 +174,17 @@ final class v1_0 implements \Uiharu\IApi {
 
                     if($result->hasMediaType())
                         $resp->content_type = MediaTypeExts::toV1($result->getMediaType());
-                    if($result->hasColour())
-                        $resp->color = Colour::toHexString($result->getColour());
+                    if($result->hasColour()) {
+                        $colour = $result->getColour();
+                        if($colour->getAlpha() < 1.0)
+                            $colour = new ColourRGB(
+                                $colour->getRed(),
+                                $colour->getGreen(),
+                                $colour->getBlue()
+                            );
+
+                        $resp->color = (string)$colour;
+                    }
                     if($result->hasTitle())
                         $resp->title = $result->getTitle();
                     if($result->hasSiteName())
diff --git a/src/Colour.php b/src/Colour.php
deleted file mode 100644
index 0876b39..0000000
--- a/src/Colour.php
+++ /dev/null
@@ -1,469 +0,0 @@
-<?php
-namespace Uiharu;
-
-final class Colour {
-    public static function toHexString(int $colour): string {
-        return '#' . str_pad(dechex($colour), 6, '0', STR_PAD_LEFT);
-    }
-
-    public static function convertFromCSS(string $input): int {
-        $input = strtolower(trim($input));
-        if(empty($input))
-            return -1;
-
-        switch($input) {
-            // CSS Level 1
-            case "black":
-                return self::BLACK;
-            case "silver":
-                return self::SILVER;
-            case "gray":
-            case "grey": // CSS Level 3
-                return self::GREY;
-            case "white":
-                return self::WHITE;
-            case "maroon":
-                return self::MAROON;
-            case "red":
-                return self::RED;
-            case "purple":
-                return self::PURPLE;
-            case "fuchsia":
-            case "magenta": // CSS Level 3
-                return self::MAGENTA;
-            case "green":
-                return self::GREEN;
-            case "lime":
-                return self::LIME;
-            case "olive":
-                return self::OLIVE;
-            case "yellow":
-                return self::YELLOW;
-            case "navy":
-                return self::NAVY;
-            case "blue":
-                return self::BLUE;
-            case "teal":
-                return self::TEAL;
-            case "aqua":
-            case "cyan": // CSS Level 3
-                return self::CYAN;
-
-            // CSS Level 2
-            case "orange":
-                return self::ORANGE;
-
-            // CSS Level 3
-            case "aliceblue":
-                return self::ALICEBLUE;
-            case "antiquewhite":
-                return self::ANTIQUEWHITE;
-            case "aquamarine":
-                return self::AQUAMARINE;
-            case "azure":
-                return self::AZURE;
-            case "beige":
-                return self::BEIGE;
-            case "bisque":
-                return self::BISQUE;
-            case "blanchedalmond":
-                return self::BLANCHEDALMOND;
-            case "blueviolet":
-                return self::BLUEVIOLET;
-            case "brown":
-                return self::BROWN;
-            case "burlywood":
-                return self::BURLYWOOD;
-            case "cadetblue":
-                return self::CADETBLUE;
-            case "chartreuse":
-                return self::CHARTREUSE;
-            case "chocolate":
-                return self::CHOCOLATE;
-            case "coral":
-                return self::CORAL;
-            case "cornflowerblue":
-                return self::CORNFLOWERBLUE;
-            case "cornsilk":
-                return self::CORNSILK;
-            case "crimson":
-                return self::CRIMSON;
-            case "darkblue":
-                return self::DARKBLUE;
-            case "darkcyan":
-                return self::DARKCYAN;
-            case "darkgoldenrod":
-                return self::DARKGOLDENROD;
-            case "darkgrey":
-            case "darkgray":
-                return self::DARKGREY;
-            case "darkgreen":
-                return self::DARKGREEN;
-            case "darkkhaki":
-                return self::DARKKHAKI;
-            case "darkmagenta":
-                return self::DARKMAGENTA;
-            case "darkolivegreen":
-                return self::DARKOLIVEGREEN;
-            case "darkorange":
-                return self::DARKORANGE;
-            case "darkorchid":
-                return self::DARKORCHID;
-            case "darkred":
-                return self::DARKRED;
-            case "darksalmon":
-                return self::DARKSALMON;
-            case "darkseagreen":
-                return self::DARKSEAGREEN;
-            case "darkslateblue":
-                return self::DARKSLATEBLUE;
-            case "darkslategrey":
-            case "darkslategray":
-                return self::DARKSLATEGREY;
-            case "darkturquoise":
-                return self::DARKTURQUOISE;
-            case "darkviolet":
-                return self::DARKVIOLET;
-            case "deeppink":
-                return self::DEEPPINK;
-            case "deepskyblue":
-                return self::DEEPSKYBLUE;
-            case "dimgray":
-            case "dimgrey":
-                return self::DIMGREY;
-            case "dodgerblue":
-                return DodgerBluself::DODGERBLUE;
-            case "firebrick":
-                return self::FIREBRICK;
-            case "floralwhite":
-                return self::FLORALWHITE;
-            case "forestgreen":
-                return self::FORESTGREEN;
-            case "gainsboro":
-                return self::GAINSBORO;
-            case "ghostwhite":
-                return self::GHOSTWHITE;
-            case "gold":
-                return self::GOLD;
-            case "goldenrod":
-                return self::GOLDENROD;
-            case "greenyellow":
-                return self::GREENYELLOW;
-            case "honeydew":
-                return self::HONEYDEW;
-            case "hotpink":
-                return self::HOTPINK;
-            case "indianred":
-                return self::INDIANRED;
-            case "indigo":
-                return self::INDIGO;
-            case "ivory":
-                return self::IVORY;
-            case "khaki":
-                return self::KHAKI;
-            case "lavender":
-                return self::LAVENDER;
-            case "lavenderblush":
-                return self::LAVENDERBLUSH;
-            case "lawngreen":
-                return self::LAWNGREEN;
-            case "lemonchiffon":
-                return self::LEMONCHIFFON;
-            case "lightblue":
-                return self::LIGHTBLUE;
-            case "lightcoral":
-                return self::LIGHTCORAL;
-            case "lightcyan":
-                return self::LIGHTCYAN;
-            case "lightgoldenrodyellow":
-                return self::LIGHTGOLDENRODYELLOW;
-            case "lightgray":
-            case "lightgrey":
-                return self::LIGHTGREY;
-            case "lightgreen":
-                return self::LIGHTGREEN;
-            case "lightpink":
-                return self::LIGHTPINK;
-            case "lightsalmon":
-                return self::LIGHTSALMON;
-            case "lightseagreen":
-                return self::LIGHTSEAGREEN;
-            case "lightskyblue":
-                return self::LIGHTSEAGREEN;
-            case "lightslategray":
-            case "lightslategrey":
-                return self::LIGHTSLATEGREY;
-            case "lightsteelblue":
-                return self::LIGHTSTEELBLUE;
-            case "lightyellow":
-                return self::LIGHTYELLOW;
-            case "limegreen":
-                return self::LIMEGREEN;
-            case "linen":
-                return self::LINEN;
-            case "mediumaquamarine":
-                return self::MEDIUMAQUAMARINE;
-            case "mediumblue":
-                return self::MEDIUMBLUE;
-            case "mediumorchid":
-                return self::MEDIUMORCHID;
-            case "mediumpurple":
-                return self::MEDIUMPURPLE;
-            case "mediumseagreen":
-                return self::MEDIUMSEAGREEN;
-            case "mediumslateblue":
-                return self::MEDIUMSLATEBLUE;
-            case "mediumspringgreen":
-                return self::MEDIUMSPRINGGREEN;
-            case "mediumturquoise":
-                return self::MEDIUMTURQUOISE;
-            case "mediumvioletred":
-                return self::MEDIUMVIOLETRED;
-            case "midnightblue":
-                return self::MIDNIGHTBLUE;
-            case "mintcream":
-                return self::MINTCREAM;
-            case "mistyrose":
-                return self::MISTYROSE;
-            case "moccasin":
-                return self::MOCCASIN;
-            case "navajowhite":
-                return self::NAVAJOWHITE;
-            case "oldlace":
-                return self::OLDLACE;
-            case "olivedrab":
-                return self::OLIVEDRAB;
-            case "orangered":
-                return self::ORANGERED;
-            case "orchid":
-                return self::ORCHID;
-            case "palegoldenrod":
-                return self::PALEGOLDENROD;
-            case "palegreen":
-                return self::PALEGREEN;
-            case "paleturquoise":
-                return self::PALETURQUOISE;
-            case "palevioletred":
-                return self::PALEVIOLETRED;
-            case "papayawhip":
-                return self::PAPAYAWHIP;
-            case "peachpuff":
-                return self::PEACHPUFF;
-            case "peru":
-                return self::PERU;
-            case "pink":
-                return self::PINK;
-            case "plum":
-                return self::PLUM;
-            case "powderblue":
-                return self::POWDERBLUE;
-            case "rosybrown":
-                return self::ROSYBROWN;
-            case "royalblue":
-                return self::ROYALBLUE;
-            case "saddlebrown":
-                return self::SADDLEBROWN;
-            case "salmon":
-                return self::SALMON;
-            case "sandybrown":
-                return self::SANDYBROWN;
-            case "seagreen":
-                return self::SEAGREEN;
-            case "seashell":
-                return self::SEASHELL;
-            case "sienna":
-                return self::SIENNA;
-            case "skyblue":
-                return self::SKYBLUE;
-            case "slateblue":
-                return self::SLATEBLUE;
-            case "slategray":
-            case "slategrey":
-                return self::SLATEGREY;
-            case "snow":
-                return self::SNOW;
-            case "springgreen":
-                return self::SPRINGGREEN;
-            case "steelblue":
-                return self::STEELBLUE;
-            case "tan":
-                return self::TAN;
-            case "thistle":
-                return self::THISTLE;
-            case "tomato":
-                return self::TOMATO;
-            case "turquoise":
-                return self::TURQUOISE;
-            case "violet":
-                return self::VIOLET;
-            case "wheat":
-                return self::WHEAT;
-            case "whitesmoke":
-                return self::WHITESMOKE;
-            case "yellowgreen":
-                return self::YELLOWGREEN;
-
-            // CSS Level 4
-            case "rebeccapurple":
-                return self::REBECCAPURPLE;
-        }
-
-        // #xxxxxx
-        if(preg_match('/^#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})$/', $input, $matches)) {
-            return (hexdec($matches[1]) << 16)
-                 | (hexdec($matches[2]) << 8)
-                 |  hexdec($matches[3]);
-        }
-
-        // #xxx
-        if(preg_match('/^#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])$/', $input, $matches)) {
-            return (hexdec($matches[1] . $matches[1]) << 16)
-                 | (hexdec($matches[2] . $matches[2]) << 8)
-                 |  hexdec($matches[3] . $matches[3]);
-        }
-
-        // todo: bother with rgb and rgba someday
-
-        return 0;
-    }
-
-    public const BLACK = 0x000000;
-    public const SILVER = 0xC0C0C0;
-    public const GREY = 0x808080;
-    public const WHITE = 0xFFFFFF;
-    public const MAROON = 0x800000;
-    public const RED = 0xFF0000;
-    public const PURPLE = 0x800080;
-    public const MAGENTA = 0xFF00FF;
-    public const GREEN = 0x008000;
-    public const LIME = 0x00FF00;
-    public const OLIVE = 0x808000;
-    public const YELLOW = 0xFFFF00;
-    public const NAVY = 0x000080;
-    public const BLUE = 0x0000FF;
-    public const TEAL = 0x008080;
-    public const CYAN = 0x00FFFF;
-    public const ORANGE = 0xFFA500;
-    public const ALICEBLUE = 0xF0F8FF;
-    public const ANTIQUEWHITE = 0xFAEBD7;
-    public const AQUAMARINE = 0x7FFFD4;
-    public const AZURE = 0xF0FFFF;
-    public const BEIGE = 0xF5F5DC;
-    public const BISQUE = 0xFFE4C4;
-    public const BLANCHEDALMOND = 0xFFEBCD;
-    public const BLUEVIOLET = 0x8A2BE2;
-    public const BROWN = 0xA52A2A;
-    public const BURLYWOOD = 0xDEB887;
-    public const CADETBLUE = 0x5F9EA0;
-    public const CHARTREUSE = 0x7FFF00;
-    public const CHOCOLATE = 0xD2691E;
-    public const CORAL = 0xFF7F50;
-    public const CORNFLOWERBLUE = 0x6495ED;
-    public const CORNSILK = 0xFFF8DC;
-    public const CRIMSON = 0xDC143C;
-    public const DARKBLUE = 0x00008B;
-    public const DARKCYAN = 0x008B8B;
-    public const DARKGOLDENROD = 0xB8860B;
-    public const DARKGREY = 0xA9A9A9;
-    public const DARKGREEN = 0x006400;
-    public const DARKKHAKI = 0xBDB76B;
-    public const DARKMAGENTA = 0x8B008B;
-    public const DARKOLIVEGREEN = 0x556B2F;
-    public const DARKORANGE = 0xFF8C00;
-    public const DARKORCHID = 0x9932CC;
-    public const DARKRED = 0x8B0000;
-    public const DARKSALMON = 0xE9967A;
-    public const DARKSEAGREEN = 0x8FBC8F;
-    public const DARKSLATEBLUE = 0x483D8B;
-    public const DARKSLATEGREY = 0x2F4F4F;
-    public const DARKTURQUOISE = 0x00CED1;
-    public const DARKVIOLET = 0x9400D3;
-    public const DEEPPINK = 0xFF1493;
-    public const DEEPSKYBLUE = 0x00BFFF;
-    public const DIMGREY = 0x696969;
-    public const DODGERBLUE = 0x1E90FF;
-    public const FIREBRICK = 0xB22222;
-    public const FLORALWHITE = 0xFFFAF0;
-    public const FORESTGREEN = 0x228B22;
-    public const GAINSBORO = 0xDCDCDC;
-    public const GHOSTWHITE = 0xF8F8FF;
-    public const GOLD = 0xFFD700;
-    public const GOLDENROD = 0xDAA520;
-    public const GREENYELLOW = 0xADFF2F;
-    public const HONEYDEW = 0xF0FFF0;
-    public const HOTPINK = 0xFF69B4;
-    public const INDIANRED = 0xCD5C5C;
-    public const INDIGO = 0x4B0082;
-    public const IVORY = 0xFFFFF0;
-    public const KHAKI = 0xF0E68C;
-    public const LAVENDER = 0xE6E6FA;
-    public const LAVENDERBLUSH = 0xFFF0F5;
-    public const LAWNGREEN = 0x7CFC00;
-    public const LEMONCHIFFON = 0xFFFACD;
-    public const LIGHTBLUE = 0xADD8E6;
-    public const LIGHTCORAL = 0xF08080;
-    public const LIGHTCYAN = 0xE0FFFF;
-    public const LIGHTGOLDENRODYELLOW = 0xFAFAD2;
-    public const LIGHTGREY = 0xD3D3D3;
-    public const LIGHTGREEN = 0x90EE90;
-    public const LIGHTPINK = 0xFFB6C1;
-    public const LIGHTSALMON = 0xFFA07A;
-    public const LIGHTSEAGREEN = 0x20B2AA;
-    public const LIGHTSKYBLUE = 0x87CEFA;
-    public const LIGHTSLATEGREY = 0x778899;
-    public const LIGHTSTEELBLUE = 0xB0C4DE;
-    public const LIGHTYELLOW = 0xFFFFE0;
-    public const LIMEGREEN = 0x32CD32;
-    public const LINEN = 0xFAF0E6;
-    public const MEDIUMAQUAMARINE = 0x66CDAA;
-    public const MEDIUMBLUE = 0x0000CD;
-    public const MEDIUMORCHID = 0xBA55D3;
-    public const MEDIUMPURPLE = 0x9370DB;
-    public const MEDIUMSEAGREEN = 0x3CB371;
-    public const MEDIUMSLATEBLUE = 0x7B68EE;
-    public const MEDIUMSPRINGGREEN = 0x00FA9A;
-    public const MEDIUMTURQUOISE = 0x48D1CC;
-    public const MEDIUMVIOLETRED = 0xC71585;
-    public const MIDNIGHTBLUE = 0x191970;
-    public const MINTCREAM = 0xF5FFFA;
-    public const MISTYROSE = 0xFFE4E1;
-    public const MOCCASIN = 0xFFE4B5;
-    public const NAVAJOWHITE = 0xFFDEAD;
-    public const OLDLACE = 0xFDF5E6;
-    public const OLIVEDRAB = 0x6B8E23;
-    public const ORANGERED = 0xFF4500;
-    public const ORCHID = 0xDA70D6;
-    public const PALEGOLDENROD = 0xEEE8AA;
-    public const PALEGREEN = 0x98FB98;
-    public const PALETURQUOISE = 0xAFEEEE;
-    public const PALEVIOLETRED = 0xDB7093;
-    public const PAPAYAWHIP = 0xFFEFD5;
-    public const PEACHPUFF = 0xFFDAB9;
-    public const PERU = 0xCD853F;
-    public const PINK = 0xFFC0CD;
-    public const PLUM = 0xDDA0DD;
-    public const POWDERBLUE = 0xB0E0E6;
-    public const ROSYBROWN = 0xBC8F8F;
-    public const ROYALBLUE = 0x4169E1;
-    public const SADDLEBROWN = 0x8B4513;
-    public const SALMON = 0xFA8072;
-    public const SANDYBROWN = 0xF4A460;
-    public const SEAGREEN = 0x2E8B57;
-    public const SEASHELL = 0xFFF5EE;
-    public const SIENNA = 0xA0522D;
-    public const SKYBLUE = 0x87CEEB;
-    public const SLATEBLUE = 0x6A5ACD;
-    public const SLATEGREY = 0x708090;
-    public const SNOW = 0xFFFAFA;
-    public const SPRINGGREEN = 0x00FF7F;
-    public const STEELBLUE = 0x4682B4;
-    public const TAN = 0xD2B48C;
-    public const THISTLE = 0xD8BFD8;
-    public const TOMATO = 0xFF6347;
-    public const TURQUOISE = 0x40E0D0;
-    public const VIOLET = 0xEE82EE;
-    public const WHEAT = 0xF5DEB3;
-    public const WHITESMOKE = 0xF5F5F5;
-    public const YELLOWGREEN = 0x9ACD32;
-    public const REBECCAPURPLE = 0x663399;
-}
diff --git a/src/ILookupResult.php b/src/ILookupResult.php
index e5e8005..a965f15 100644
--- a/src/ILookupResult.php
+++ b/src/ILookupResult.php
@@ -2,6 +2,7 @@
 namespace Uiharu;
 
 use Index\MediaType;
+use Index\Colour\Colour;
 
 interface ILookupResult {
     function getUrl(): Url;
@@ -11,7 +12,7 @@ interface ILookupResult {
     function getMediaType(): MediaType;
 
     function hasColour(): bool;
-    function getColour(): int;
+    function getColour(): Colour;
 
     function hasTitle(): bool;
     function getTitle(): string;
diff --git a/src/Lookup/EEPROMLookupResult.php b/src/Lookup/EEPROMLookupResult.php
index 688100d..7a450d8 100644
--- a/src/Lookup/EEPROMLookupResult.php
+++ b/src/Lookup/EEPROMLookupResult.php
@@ -4,6 +4,8 @@ namespace Uiharu\Lookup;
 use Uiharu\AudioTags;
 use Uiharu\Url;
 use Index\MediaType;
+use Index\Colour\Colour;
+use Index\Colour\ColourRGB;
 
 final class EEPROMLookupResult implements \Uiharu\ILookupResult, \Uiharu\IHasMediaInfo {
     private Url $url;
@@ -53,8 +55,8 @@ final class EEPROMLookupResult implements \Uiharu\ILookupResult, \Uiharu\IHasMed
     public function hasColour(): bool {
         return true;
     }
-    public function getColour(): int {
-        return 0x8559A5;
+    public function getColour(): Colour {
+        return ColourRGB::fromRawRGB(0x8559A5);
     }
 
     public function hasTitle(): bool {
diff --git a/src/Lookup/NicoNicoLookupResult.php b/src/Lookup/NicoNicoLookupResult.php
index 90a010c..46146db 100644
--- a/src/Lookup/NicoNicoLookupResult.php
+++ b/src/Lookup/NicoNicoLookupResult.php
@@ -4,6 +4,8 @@ namespace Uiharu\Lookup;
 use DOMElement;
 use Index\MediaType;
 use Uiharu\Url;
+use Index\Colour\Colour;
+use Index\Colour\ColourRGB;
 
 final class NicoNicoLookupResult implements \Uiharu\ILookupResult {
     private DOMElement|false|null $title = null;
@@ -51,8 +53,8 @@ final class NicoNicoLookupResult implements \Uiharu\ILookupResult {
     public function hasColour(): bool {
         return true;
     }
-    public function getColour(): int {
-        return 0x252525;
+    public function getColour(): Colour {
+        return ColourRGB::fromRawRGB(0x252525);
     }
 
     public function hasTitle(): bool {
diff --git a/src/Lookup/WebLookupResult.php b/src/Lookup/WebLookupResult.php
index 9c489b3..a82fd73 100644
--- a/src/Lookup/WebLookupResult.php
+++ b/src/Lookup/WebLookupResult.php
@@ -3,6 +3,7 @@ namespace Uiharu\Lookup;
 
 use Uiharu\Url;
 use Index\MediaType;
+use Index\Colour\Colour;
 
 abstract class WebLookupResult implements \Uiharu\ILookupResult {
     protected Url $url;
@@ -27,7 +28,7 @@ abstract class WebLookupResult implements \Uiharu\ILookupResult {
     }
 
     public abstract function hasColour(): bool;
-    public abstract function getColour(): int;
+    public abstract function getColour(): Colour;
 
     public abstract function hasTitle(): bool;
     public abstract function getTitle(): string;
diff --git a/src/Lookup/WebLookupSiteResult.php b/src/Lookup/WebLookupSiteResult.php
index a5b9033..63bf5ce 100644
--- a/src/Lookup/WebLookupSiteResult.php
+++ b/src/Lookup/WebLookupSiteResult.php
@@ -1,9 +1,9 @@
 <?php
 namespace Uiharu\Lookup;
 
-use Uiharu\Colour;
 use Uiharu\Url;
 use Index\MediaType;
+use Index\Colour\Colour;
 
 class WebLookupSiteResult extends WebLookupResult {
     private object $siteInfo;
@@ -20,8 +20,8 @@ class WebLookupSiteResult extends WebLookupResult {
     public function hasColour(): bool {
         return !empty($this->siteInfo->colour);
     }
-    public function getColour(): int {
-        return Colour::convertFromCSS($this->siteInfo->colour);
+    public function getColour(): Colour {
+        return Colour::parse($this->siteInfo->colour);
     }
 
     public function hasTitle(): bool {
diff --git a/src/Lookup/YouTubeLookupResult.php b/src/Lookup/YouTubeLookupResult.php
index cdae6e1..b1f67ab 100644
--- a/src/Lookup/YouTubeLookupResult.php
+++ b/src/Lookup/YouTubeLookupResult.php
@@ -4,6 +4,8 @@ namespace Uiharu\Lookup;
 use RuntimeException;
 use Uiharu\Url;
 use Index\MediaType;
+use Index\Colour\Colour;
+use Index\Colour\ColourRGB;
 
 final class YouTubeLookupResult implements \Uiharu\ILookupResult {
     public function __construct(
@@ -61,8 +63,8 @@ final class YouTubeLookupResult implements \Uiharu\ILookupResult {
     public function hasColour(): bool {
         return true;
     }
-    public function getColour(): int {
-        return 0xFF0000;
+    public function getColour(): Colour {
+        return ColourRGB::fromRawRGB(0xFF0000);
     }
 
     public function hasTitle(): bool {