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@ -30,7 +30,7 @@ func RGBToLinear(r uint8, g uint8, b uint8) (float64, float64, float64) {
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return CToLinear(r), CToLinear(g), CToLinear(b) |
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} |
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// Get approximate RGB color luminance (brightness)
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// Get approximate RGB color luminance (brightness) from 0 to 1
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func LuminanceRGB(r uint8, g uint8, b uint8) float64 { |
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rLin, gLin, bLin := RGBToLinear(r, g, b) |
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return 0.2126*rLin + 0.7152*gLin + 0.0722*bLin |
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