Colour Lookup Table
HTML & CSS
| W3C Defined Colour | Complementary Colour |
| Name | Colour | R | G | B | Colour | R | G | B |
| aliceblue | | F0 | F8 | FF | | 0F | 07 | 00 |
| antiquewhite | | FA | EB | D7 | | 05 | 14 | 28 |
| aqua | | 00 | FF | FF | | FF | 00 | 00 |
| aquamarine | | 7F | FF | D4 | | 80 | 00 | 2B |
| azure | | F0 | FF | FF | | 0F | 00 | 00 |
| beige | | F5 | F5 | DC | | 0A | 0A | 23 |
| bisque | | FF | E4 | C4 | | 00 | 1B | 3B |
| black | | 00 | 00 | 00 | | FF | FF | FF |
| blanchedalmond | | FF | EB | CD | | 00 | 14 | 32 |
| blue | | 00 | 00 | FF | | FF | FF | 00 |
| blueviolet | | 8A | 2B | E2 | | 75 | D4 | 1D |
| brown | | A5 | 2A | 2A | | 5A | D5 | D5 |
| burlywood | | DE | B8 | 87 | | 21 | 47 | 78 |
| cadetblue | | 5F | 9E | A0 | | A0 | 61 | 5F |
| chartreuse | | 7F | FF | 00 | | 80 | 00 | FF |
| chocolate | | D2 | 69 | 1E | | 2D | 96 | E1 |
| coral | | FF | 7F | 50 | | 00 | 80 | AF |
| cornflowerblue | | 64 | 95 | ED | | 9B | 6A | 12 |
| cornsilk | | FF | F8 | DC | | 00 | 07 | 23 |
| crimson | | DC | 14 | 3C | | 23 | EB | C3 |
| cyan | | 00 | FF | FF | | FF | 00 | 00 |
| darkblue | | 00 | 00 | 8B | | FF | FF | 74 |
| darkcyan | | 00 | 8B | 8B | | FF | 74 | 74 |
| darkgoldenrod | | B8 | 86 | 0B | | 47 | 79 | F4 |
| darkgray | | A9 | A9 | A9 | | 56 | 56 | 56 |
| darkgreen | | 00 | 64 | 00 | | FF | 9B | FF |
| darkkhaki | | BD | B7 | 6B | | 42 | 48 | 94 |
| darkmagenta | | 8B | 00 | 8B | | 74 | FF | 74 |
| darkolivegreen | | 55 | 6B | 2F | | AA | 94 | D0 |
| darkorange | | FF | 8C | 00 | | 00 | 73 | FF |
| darkorchid | | 99 | 32 | CC | | 66 | CD | 33 |
| darkred | | 8B | 00 | 00 | | 74 | FF | FF |
| darksalmon | | E9 | 96 | 7A | | 16 | 69 | 85 |
| darkseagreen | | 8F | BC | 8F | | 70 | 43 | 70 |
| darkslateblue | | 48 | 3D | 8B | | B7 | C2 | 74 |
| darkslategray | | 2F | 4F | 4F | | D0 | B0 | B0 |
| darkturquoise | | 00 | CE | D1 | | FF | 31 | 2E |
| darkviolet | | 94 | 00 | D3 | | 6B | FF | 2C |
| deeppink | | FF | 14 | 93 | | 00 | EB | 6C |
| deepskyblue | | 00 | BF | FF | | FF | 40 | 00 |
| dimgray | | 69 | 69 | 69 | | 96 | 96 | 96 |
| dodgerblue | | 1E | 90 | FF | | E1 | 6F | 00 |
| firebrick | | B2 | 22 | 22 | | 4D | DD | DD |
| floralwhite | | FF | FA | F0 | | 00 | 05 | 0F |
| forestgreen | | 22 | 8B | 22 | | DD | 74 | DD |
| fuchsia | | FF | 00 | FF | | 00 | FF | 00 |
| gainsboro | | DC | DC | DC | | 23 | 23 | 23 |
| ghostwhite | | F8 | F8 | FF | | 07 | 07 | 00 |
| gold | | FF | D7 | 00 | | 00 | 28 | FF |
| goldenrod | | DA | A5 | 20 | | 25 | 5A | DF |
| gray | | 80 | 80 | 80 | | 7F | 7F | 7F |
| green | | 00 | 80 | 00 | | FF | 7F | FF |
| greenyellow | | AD | FF | 2F | | 52 | 00 | D0 |
| honeydew | | F0 | FF | F0 | | 0F | 00 | 0F |
| hotpink | | FF | 69 | B4 | | 00 | 96 | 4B |
| indianred | | CD | 5C | 5C | | 32 | A3 | A3 |
| indigo | | 4B | 00 | 82 | | B4 | FF | 7D |
| ivory | | FF | FF | F0 | | 00 | 00 | 0F |
| khaki | | F0 | E6 | 8C | | 0F | 19 | 73 |
| lavender | | E6 | E6 | FA | | 19 | 19 | 05 |
| lavenderblush | | FF | F0 | F5 | | 00 | 0F | 0A |
| lawngreen | | 7C | FC | 00 | | 83 | 03 | FF |
| lemonchiffon | | FF | FA | CD | | 00 | 05 | 32 |
| lightblue | | AD | D8 | E6 | | 52 | 27 | 19 |
| lightcoral | | F0 | 80 | 80 | | 0F | 7F | 7F |
| lightcyan | | E0 | FF | FF | | 1F | 00 | 00 |
| lightgoldenrodyellow | | FA | FA | D2 | | 05 | 05 | 2D |
| lightgray | | D3 | D3 | D3 | | 2C | 2C | 2C |
| lightgreen | | 90 | EE | 90 | | 6F | 11 | 6F |
| lightpink | | FF | B6 | C1 | | 00 | 49 | 3E |
| lightsalmon | | FF | A0 | 7A | | 00 | 5F | 85 |
| lightseagreen | | 20 | B2 | AA | | DF | 4D | 55 |
| lightskyblue | | 87 | CE | FA | | 78 | 31 | 05 |
| lightslategray | | 77 | 88 | 99 | | 88 | 77 | 66 |
| lightsteelblue | | B0 | C4 | DE | | 4F | 3B | 21 |
| lightyellow | | FF | FF | E0 | | 00 | 00 | 1F |
| lime | | 00 | FF | 00 | | FF | 00 | FF |
| limegreen | | 32 | CD | 32 | | CD | 32 | CD |
| linen | | FA | F0 | E6 | | 05 | 0F | 19 |
| magenta | | FF | 00 | FF | | 00 | FF | 00 |
| maroon | | 80 | 00 | 00 | | 7F | FF | FF |
| mediumaquamarine | | 66 | CD | AA | | 99 | 32 | 55 |
| mediumblue | | 00 | 00 | CD | | FF | FF | 32 |
| mediumorchid | | BA | 55 | D3 | | 45 | AA | 2C |
| mediumpurple | | 93 | 70 | DB | | 6C | 8F | 24 |
| mediumseagreen | | 3C | B3 | 71 | | C3 | 4C | 8E |
| mediumslateblue | | 7B | 68 | EE | | 84 | 97 | 11 |
| mediumspringgreen | | 00 | FA | 9A | | FF | 05 | 65 |
| mediumturquoise | | 48 | D1 | CC | | B7 | 2E | 33 |
| mediumvioletred | | C7 | 15 | 85 | | 38 | EA | 7A |
| midnightblue | | 19 | 19 | 70 | | E6 | E6 | 8F |
| mintcream | | F5 | FF | FA | | 0A | 00 | 05 |
| mistyrose | | FF | E4 | E1 | | 00 | 1B | 1E |
| moccasin | | FF | E4 | B5 | | 00 | 1B | 4A |
| navajowhite | | FF | DE | AD | | 00 | 21 | 52 |
| navy | | 00 | 00 | 80 | | FF | FF | 7F |
| oldlace | | FD | F5 | E6 | | 02 | 0A | 19 |
| olive | | 80 | 80 | 00 | | 7F | 7F | FF |
| olivedrab | | 6B | 8E | 23 | | 94 | 71 | DC |
| orange | | FF | A5 | 00 | | 00 | 5A | FF |
| orangered | | FF | 45 | 00 | | 00 | BA | FF |
| orchid | | DA | 70 | D6 | | 25 | 8F | 29 |
| palegoldenrod | | EE | E8 | AA | | 11 | 17 | 55 |
| palegreen | | 98 | FB | 98 | | 67 | 04 | 67 |
| paleturquoise | | AF | EE | EE | | 50 | 11 | 11 |
| palevioletred | | DB | 70 | 93 | | 24 | 8F | 6C |
| papayawhip | | FF | EF | D5 | | 00 | 10 | 2A |
| peachpuff | | FF | DA | B9 | | 00 | 25 | 46 |
| peru | | CD | 85 | 3F | | 32 | 7A | C0 |
| pink | | FF | C0 | CB | | 00 | 3F | 34 |
| plum | | DD | A0 | DD | | 22 | 5F | 22 |
| powderblue | | B0 | E0 | E6 | | 4F | 1F | 19 |
| purple | | 80 | 00 | 80 | | 7F | FF | 7F |
| red | | FF | 00 | 00 | | 00 | FF | FF |
| rosybrown | | BC | 8F | 8F | | 43 | 70 | 70 |
| royalblue | | 41 | 69 | E1 | | BE | 96 | 1E |
| saddlebrown | | 8B | 45 | 13 | | 74 | BA | EC |
| salmon | | FA | 80 | 72 | | 05 | 7F | 8D |
| sandybrown | | F4 | A4 | 60 | | 0B | 5B | 9F |
| seagreen | | 2E | 8B | 57 | | D1 | 74 | A8 |
| seashell | | FF | F5 | EE | | 00 | 0A | 11 |
| sienna | | A0 | 52 | 2D | | 5F | AD | D2 |
| silver | | C0 | C0 | C0 | | 3F | 3F | 3F |
| skyblue | | 87 | CE | EB | | 78 | 31 | 14 |
| slateblue | | 6A | 5A | CD | | 95 | A5 | 32 |
| slategray | | 70 | 80 | 90 | | 8F | 7F | 6F |
| snow | | FF | FA | FA | | 00 | 05 | 05 |
| springgreen | | 00 | FF | 7F | | FF | 00 | 80 |
| steelblue | | 46 | 82 | B4 | | B9 | 7D | 4B |
| tan | | D2 | B4 | 8C | | 2D | 4B | 73 |
| teal | | 00 | 80 | 80 | | FF | 7F | 7F |
| thistle | | D8 | BF | D8 | | 27 | 40 | 27 |
| tomato | | FF | 63 | 47 | | 00 | 9C | B8 |
| turquoise | | 40 | E0 | D0 | | BF | 1F | 2F |
| violet | | EE | 82 | EE | | 11 | 7D | 11 |
| wheat | | F5 | DE | B3 | | 0A | 21 | 4C |
| white | | FF | FF | FF | | 00 | 00 | 00 |
| whitesmoke | | F5 | F5 | F5 | | 0A | 0A | 0A |
| yellow | | FF | FF | 00 | | 00 | 00 | FF |
| yellowgreen | | 9A | CD | 32 | | 65 | 32 | CD |