RGBColor.luminance601

Luminance according to ITU 601 standard.

class RGBColor
const
float
luminance601
()

Return Value

Type: float

Luminance for a specific color as a floating point value.

Typical usage:

    import std.stdio : writeln;

    // Red color
    RGBColor color = new RGBColor(255, 0, 0); 
	color.luminance601.writeln;

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