# Color

颜色。可以用以下几种方式来表示 canvas 中使用的颜色：

- RGB 颜色： 如 `'rgb(255, 0, 0)'`
- RGBA 颜色：如 `'rgba(255, 0, 0, 0.3)'`
- 16 进制颜色： 如 `'#FF0000'`
- 预定义的颜色： 如 `'red'`

其中预定义颜色有以下148个：
*注意**: Color Name 大小写不敏感

| Color Name           | HEX     |
| -------------------- | ------- |
| 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 |
| LightGray            | #D3D3D3 |
| LightGrey            | #D3D3D3 |
| LightGreen           | #90EE90 |
| 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 |