pub fn relative_luminance(color: PackedRgba) -> f64Expand description
Calculate relative luminance of an RGB color per WCAG 2.1. Returns a value from 0.0 (black) to 1.0 (white).
pub fn relative_luminance(color: PackedRgba) -> f64Calculate relative luminance of an RGB color per WCAG 2.1. Returns a value from 0.0 (black) to 1.0 (white).