cdict = {'red' : ((0.000, 0.00, 0.00), (0.125, 0.15, 0.15), (0.250, 0.30, 0.30), (0.375, 0.60, 0.60), (0.500, 1.00, 1.00), (0.625, 0.90, 0.90), (0.750, 0.90, 0.90), (0.875, 0.90, 0.90), (1.000, 1.00, 1.00)), 'green' : ((0.000, 0.00, 0.00), (0.125, 0.15, 0.15), (0.250, 0.15, 0.15), (0.375, 0.20, 0.20), (0.500, 0.25, 0.25), (0.625, 0.50, 0.50), (0.750, 0.75, 0.75), (0.875, 0.90, 0.90), (1.000, 1.00, 1.00)), 'blue' : ((0.000, 0.00, 0.00), (0.125, 0.50, 0.50), (0.250, 0.75, 0.75), (0.375, 0.50, 0.50), (0.500, 0.15, 0.15), (0.625, 0.00, 0.00), (0.750, 0.10, 0.10), (0.875, 0.50, 0.50), (1.000, 1.00, 1.00)) }