Created
March 11, 2017 20:51
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DEG30 = 30/360. | |
def adjacent_colors((r, g, b), d=DEG30): # Assumption: r, g, b in [0, 255] | |
r, g, b = map(lambda x: x/255., [r, g, b]) # Convert to [0, 1] | |
h, l, s = colorsys.rgb_to_hls(r, g, b) # RGB -> HLS | |
h = [(h+d) % 1 for d in (-d, d)] # Rotation by d | |
adjacent = [map(lambda x: int(round(x*255)), colorsys.hls_to_rgb(hi, l, s)) | |
for hi in h] # H'LS -> new RGB | |
adjacent[0] = tuple(adjacent[0]) | |
adjacent[1] = tuple(adjacent[1]) | |
return adjacent | |
def hilo(a, b, c): | |
if c < b: b, c = c, b | |
if b < a: a, b = b, a | |
if c < b: b, c = c, b | |
return a + c | |
def complement(r, g, b): | |
k = hilo(r, g, b) | |
return tuple(k - u for u in (r, g, b)) |
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