平时用python画图，想用不同颜色来区分不同特征，结果总是记不住，索性把它们整理处理出来，供大家参考对照。
常用颜色
颜色详表
颜色表示：
cnames = { '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',
'darkgreen': '#006400',
'darkkhaki': '#BDB76B',
'darkmagenta': '#8B008B', 'darkolivegreen': '#556B2F',
'darkorange': '#FF8C00', 'darkorchid': '#9932CC',
'darkred': '#8B0000', 'darksalmon': '#E9967A',
'darkseagreen': '#8FBC8F', 'darkslateblue': '#483D8B',
'darkslategray': '#2F4F4F', 'darkturquoise': '#00CED1',
'darkviolet': '#9400D3', 'deeppink': '#FF1493',
'deepskyblue': '#00BFFF', 'dimgray': '#696969',
'dodgerblue': '#1E90FF', 'firebrick': '#B22222',
'floralwhite': '#FFFAF0', 'forestgreen': '#228B22',
'fuchsia': '#FF00FF', 'gainsboro': '#DCDCDC',
'ghostwhite': '#F8F8FF', 'gold': '#FFD700',
'goldenrod': '#DAA520', 'gray': '#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','lightpink': '#FFB6C1', 'lightsalmon': '#FFA07A','lightseagreen': '#20B2AA', 'lightskyblue': '#87CEFA','lightslategray': '#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', 'red': '#FF0000',
'rosybrown': '#BC8F8F', 'royalblue': '#4169E1',
'saddlebrown': '#8B4513', 'salmon': '#FA8072','sandybrown': '#FAA460', 'seagreen': '#2E8B57',
'seashell': '#FFF5EE', 'sienna': '#A0522D',
'silver': '#C0C0C0', 'skyblue': '#87CEEB','slateblue': '#6A5ACD', 'slategray': '#708090',
'snow': '#FFFAFA', 'springgreen': '#00FF7F','steelblue': '#4682B4', 'tan': '#D2B48C',
'teal': '#008080', 'thistle': '#D8BFD8',
'tomato': '#FF6347', 'turquoise': '#40E0D0','violet': '#EE82EE', 'wheat': '#F5DEB3',
'#FFFF00', 'yellowgreen': '#9ACD32'}
标记符的表示：
'.' point marker
',' pixel marker
'o' circle marker
'v' triangle_down marker
’^' triangle_up marker
'<' triangle_left marker
'>' triangle_right marker
'1' tri_down marker
'2' tri_up marker
'3' tri_left marker
'4' tri_right marker
's' square marker
'p' pentagon marker
'*' star marker
'h' hexagon1 marker
'H' hexagon2 marker
'+' plus marker
'x' x marker
'D' diamond marker
'd' thin_diamond marker
'|' vline marker
_' hline marker
一个例子：
