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kgaughan/luminance.py

Last active June 23, 2023 19:17
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Python function to modify luminance of a colour
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luminance.py
def modify_luminance(colour, lum=0):
rgb = 0
for i in range(0, len(colour), 2):
component = int(colour[i : i + 2], 16)
modified = round(min(max(0, component + (component * lum)), 255))
rgb = rgb * 256 + modified
return f"{rgb:0>6X}"
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