diff --git a/src/PIL/ImageColor.py b/src/PIL/ImageColor.py
index 894461c83..f063dffeb 100644
--- a/src/PIL/ImageColor.py
+++ b/src/PIL/ImageColor.py
@@ -39,9 +39,6 @@ def getrgb(color):
 
     rgb = colormap.get(color, None)
     if rgb:
-        if isinstance(rgb, tuple):
-            return rgb
-        colormap[color] = rgb = getrgb(rgb)
         return rgb
 
     # check for known string formats
@@ -162,152 +159,152 @@ colormap = {
     # X11 colour table from https://drafts.csswg.org/css-color-4/, with
     # gray/grey spelling issues fixed.  This is a superset of HTML 4.0
     # colour names used in CSS 1.
-    "aliceblue": "#f0f8ff",
-    "antiquewhite": "#faebd7",
-    "aqua": "#00ffff",
-    "aquamarine": "#7fffd4",
-    "azure": "#f0ffff",
-    "beige": "#f5f5dc",
-    "bisque": "#ffe4c4",
-    "black": "#000000",
-    "blanchedalmond": "#ffebcd",
-    "blue": "#0000ff",
-    "blueviolet": "#8a2be2",
-    "brown": "#a52a2a",
-    "burlywood": "#deb887",
-    "cadetblue": "#5f9ea0",
-    "chartreuse": "#7fff00",
-    "chocolate": "#d2691e",
-    "coral": "#ff7f50",
-    "cornflowerblue": "#6495ed",
-    "cornsilk": "#fff8dc",
-    "crimson": "#dc143c",
-    "cyan": "#00ffff",
-    "darkblue": "#00008b",
-    "darkcyan": "#008b8b",
-    "darkgoldenrod": "#b8860b",
-    "darkgray": "#a9a9a9",
-    "darkgrey": "#a9a9a9",
-    "darkgreen": "#006400",
-    "darkkhaki": "#bdb76b",
-    "darkmagenta": "#8b008b",
-    "darkolivegreen": "#556b2f",
-    "darkorange": "#ff8c00",
-    "darkorchid": "#9932cc",
-    "darkred": "#8b0000",
-    "darksalmon": "#e9967a",
-    "darkseagreen": "#8fbc8f",
-    "darkslateblue": "#483d8b",
-    "darkslategray": "#2f4f4f",
-    "darkslategrey": "#2f4f4f",
-    "darkturquoise": "#00ced1",
-    "darkviolet": "#9400d3",
-    "deeppink": "#ff1493",
-    "deepskyblue": "#00bfff",
-    "dimgray": "#696969",
-    "dimgrey": "#696969",
-    "dodgerblue": "#1e90ff",
-    "firebrick": "#b22222",
-    "floralwhite": "#fffaf0",
-    "forestgreen": "#228b22",
-    "fuchsia": "#ff00ff",
-    "gainsboro": "#dcdcdc",
-    "ghostwhite": "#f8f8ff",
-    "gold": "#ffd700",
-    "goldenrod": "#daa520",
-    "gray": "#808080",
-    "grey": "#808080",
-    "green": "#008000",
-    "greenyellow": "#adff2f",
-    "honeydew": "#f0fff0",
-    "hotpink": "#ff69b4",
-    "indianred": "#cd5c5c",
-    "indigo": "#4b0082",
-    "ivory": "#fffff0",
-    "khaki": "#f0e68c",
-    "lavender": "#e6e6fa",
-    "lavenderblush": "#fff0f5",
-    "lawngreen": "#7cfc00",
-    "lemonchiffon": "#fffacd",
-    "lightblue": "#add8e6",
-    "lightcoral": "#f08080",
-    "lightcyan": "#e0ffff",
-    "lightgoldenrodyellow": "#fafad2",
-    "lightgreen": "#90ee90",
-    "lightgray": "#d3d3d3",
-    "lightgrey": "#d3d3d3",
-    "lightpink": "#ffb6c1",
-    "lightsalmon": "#ffa07a",
-    "lightseagreen": "#20b2aa",
-    "lightskyblue": "#87cefa",
-    "lightslategray": "#778899",
-    "lightslategrey": "#778899",
-    "lightsteelblue": "#b0c4de",
-    "lightyellow": "#ffffe0",
-    "lime": "#00ff00",
-    "limegreen": "#32cd32",
-    "linen": "#faf0e6",
-    "magenta": "#ff00ff",
-    "maroon": "#800000",
-    "mediumaquamarine": "#66cdaa",
-    "mediumblue": "#0000cd",
-    "mediumorchid": "#ba55d3",
-    "mediumpurple": "#9370db",
-    "mediumseagreen": "#3cb371",
-    "mediumslateblue": "#7b68ee",
-    "mediumspringgreen": "#00fa9a",
-    "mediumturquoise": "#48d1cc",
-    "mediumvioletred": "#c71585",
-    "midnightblue": "#191970",
-    "mintcream": "#f5fffa",
-    "mistyrose": "#ffe4e1",
-    "moccasin": "#ffe4b5",
-    "navajowhite": "#ffdead",
-    "navy": "#000080",
-    "oldlace": "#fdf5e6",
-    "olive": "#808000",
-    "olivedrab": "#6b8e23",
-    "orange": "#ffa500",
-    "orangered": "#ff4500",
-    "orchid": "#da70d6",
-    "palegoldenrod": "#eee8aa",
-    "palegreen": "#98fb98",
-    "paleturquoise": "#afeeee",
-    "palevioletred": "#db7093",
-    "papayawhip": "#ffefd5",
-    "peachpuff": "#ffdab9",
-    "peru": "#cd853f",
-    "pink": "#ffc0cb",
-    "plum": "#dda0dd",
-    "powderblue": "#b0e0e6",
-    "purple": "#800080",
-    "rebeccapurple": "#663399",
-    "red": "#ff0000",
-    "rosybrown": "#bc8f8f",
-    "royalblue": "#4169e1",
-    "saddlebrown": "#8b4513",
-    "salmon": "#fa8072",
-    "sandybrown": "#f4a460",
-    "seagreen": "#2e8b57",
-    "seashell": "#fff5ee",
-    "sienna": "#a0522d",
-    "silver": "#c0c0c0",
-    "skyblue": "#87ceeb",
-    "slateblue": "#6a5acd",
-    "slategray": "#708090",
-    "slategrey": "#708090",
-    "snow": "#fffafa",
-    "springgreen": "#00ff7f",
-    "steelblue": "#4682b4",
-    "tan": "#d2b48c",
-    "teal": "#008080",
-    "thistle": "#d8bfd8",
-    "tomato": "#ff6347",
-    "turquoise": "#40e0d0",
-    "violet": "#ee82ee",
-    "wheat": "#f5deb3",
-    "white": "#ffffff",
-    "whitesmoke": "#f5f5f5",
-    "yellow": "#ffff00",
-    "yellowgreen": "#9acd32",
+    "aliceblue": (240, 248, 255),
+    "antiquewhite": (250, 235, 215),
+    "aqua": (0, 255, 255),
+    "aquamarine": (127, 255, 212),
+    "azure": (240, 255, 255),
+    "beige": (245, 245, 220),
+    "bisque": (255, 228, 196),
+    "black": (0, 0, 0),
+    "blanchedalmond": (255, 235, 205),
+    "blue": (0, 0, 255),
+    "blueviolet": (138, 43, 226),
+    "brown": (165, 42, 42),
+    "burlywood": (222, 184, 135),
+    "cadetblue": (95, 158, 160),
+    "chartreuse": (127, 255, 0),
+    "chocolate": (210, 105, 30),
+    "coral": (255, 127, 80),
+    "cornflowerblue": (100, 149, 237),
+    "cornsilk": (255, 248, 220),
+    "crimson": (220, 20, 60),
+    "cyan": (0, 255, 255),
+    "darkblue": (0, 0, 139),
+    "darkcyan": (0, 139, 139),
+    "darkgoldenrod": (184, 134, 11),
+    "darkgray": (169, 169, 169),
+    "darkgrey": (169, 169, 169),
+    "darkgreen": (0, 100, 0),
+    "darkkhaki": (189, 183, 107),
+    "darkmagenta": (139, 0, 139),
+    "darkolivegreen": (85, 107, 47),
+    "darkorange": (255, 140, 0),
+    "darkorchid": (153, 50, 204),
+    "darkred": (139, 0, 0),
+    "darksalmon": (233, 150, 122),
+    "darkseagreen": (143, 188, 143),
+    "darkslateblue": (72, 61, 139),
+    "darkslategray": (47, 79, 79),
+    "darkslategrey": (47, 79, 79),
+    "darkturquoise": (0, 206, 209),
+    "darkviolet": (148, 0, 211),
+    "deeppink": (255, 20, 147),
+    "deepskyblue": (0, 191, 255),
+    "dimgray": (105, 105, 105),
+    "dimgrey": (105, 105, 105),
+    "dodgerblue": (30, 144, 255),
+    "firebrick": (178, 34, 34),
+    "floralwhite": (255, 250, 240),
+    "forestgreen": (34, 139, 34),
+    "fuchsia": (255, 0, 255),
+    "gainsboro": (220, 220, 220),
+    "ghostwhite": (248, 248, 255),
+    "gold": (255, 215, 0),
+    "goldenrod": (218, 165, 32),
+    "gray": (128, 128, 128),
+    "grey": (128, 128, 128),
+    "green": (0, 128, 0),
+    "greenyellow": (173, 255, 47),
+    "honeydew": (240, 255, 240),
+    "hotpink": (255, 105, 180),
+    "indianred": (205, 92, 92),
+    "indigo": (75, 0, 130),
+    "ivory": (255, 255, 240),
+    "khaki": (240, 230, 140),
+    "lavender": (230, 230, 250),
+    "lavenderblush": (255, 240, 245),
+    "lawngreen": (124, 252, 0),
+    "lemonchiffon": (255, 250, 205),
+    "lightblue": (173, 216, 230),
+    "lightcoral": (240, 128, 128),
+    "lightcyan": (224, 255, 255),
+    "lightgoldenrodyellow": (250, 250, 210),
+    "lightgreen": (144, 238, 144),
+    "lightgray": (211, 211, 211),
+    "lightgrey": (211, 211, 211),
+    "lightpink": (255, 182, 193),
+    "lightsalmon": (255, 160, 122),
+    "lightseagreen": (32, 178, 170),
+    "lightskyblue": (135, 206, 250),
+    "lightslategray": (119, 136, 153),
+    "lightslategrey": (119, 136, 153),
+    "lightsteelblue": (176, 196, 222),
+    "lightyellow": (255, 255, 224),
+    "lime": (0, 255, 0),
+    "limegreen": (50, 205, 50),
+    "linen": (250, 240, 230),
+    "magenta": (255, 0, 255),
+    "maroon": (128, 0, 0),
+    "mediumaquamarine": (102, 205, 170),
+    "mediumblue": (0, 0, 205),
+    "mediumorchid": (186, 85, 211),
+    "mediumpurple": (147, 112, 219),
+    "mediumseagreen": (60, 179, 113),
+    "mediumslateblue": (123, 104, 238),
+    "mediumspringgreen": (0, 250, 154),
+    "mediumturquoise": (72, 209, 204),
+    "mediumvioletred": (199, 21, 133),
+    "midnightblue": (25, 25, 112),
+    "mintcream": (245, 255, 250),
+    "mistyrose": (255, 228, 225),
+    "moccasin": (255, 228, 181),
+    "navajowhite": (255, 222, 173),
+    "navy": (0, 0, 128),
+    "oldlace": (253, 245, 230),
+    "olive": (128, 128, 0),
+    "olivedrab": (107, 142, 35),
+    "orange": (255, 165, 0),
+    "orangered": (255, 69, 0),
+    "orchid": (218, 112, 214),
+    "palegoldenrod": (238, 232, 170),
+    "palegreen": (152, 251, 152),
+    "paleturquoise": (175, 238, 238),
+    "palevioletred": (219, 112, 147),
+    "papayawhip": (255, 239, 213),
+    "peachpuff": (255, 218, 185),
+    "peru": (205, 133, 63),
+    "pink": (255, 192, 203),
+    "plum": (221, 160, 221),
+    "powderblue": (176, 224, 230),
+    "purple": (128, 0, 128),
+    "rebeccapurple": (102, 51, 153),
+    "red": (255, 0, 0),
+    "rosybrown": (188, 143, 143),
+    "royalblue": (65, 105, 225),
+    "saddlebrown": (139, 69, 19),
+    "salmon": (250, 128, 114),
+    "sandybrown": (244, 164, 96),
+    "seagreen": (46, 139, 87),
+    "seashell": (255, 245, 238),
+    "sienna": (160, 82, 45),
+    "silver": (192, 192, 192),
+    "skyblue": (135, 206, 235),
+    "slateblue": (106, 90, 205),
+    "slategray": (112, 128, 144),
+    "slategrey": (112, 128, 144),
+    "snow": (255, 250, 250),
+    "springgreen": (0, 255, 127),
+    "steelblue": (70, 130, 180),
+    "tan": (210, 180, 140),
+    "teal": (0, 128, 128),
+    "thistle": (216, 191, 216),
+    "tomato": (255, 99, 71),
+    "turquoise": (64, 224, 208),
+    "violet": (238, 130, 238),
+    "wheat": (245, 222, 179),
+    "white": (255, 255, 255),
+    "whitesmoke": (245, 245, 245),
+    "yellow": (255, 255, 0),
+    "yellowgreen": (154, 205, 50),
 }