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Python function to modify luminance of a colour
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| 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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