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import numpy as np
import colorsys
from .contrast_detector import ContrastDetector
class SaturationContrastDetector(ContrastDetector):
"""Saturation contrast detector"""
def calculate_contrast(self, color1, color2):
"""Calculate saturation difference between two colors"""
hsv1 = colorsys.rgb_to_hsv(color1[0]/255.0, color1[1]/255.0, color1[2]/255.0)
hsv2 = colorsys.rgb_to_hsv(color2[0]/255.0, color2[1]/255.0, color2[2]/255.0)
saturation_diff = abs(hsv1[1] - hsv2[1])
# Scale to 0-10 range to match WCAG scale
return saturation_diff * 10
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