[−][src]Function contrast::contrast

pub fn contrast<T: Bounded + NumCast, F: Float + NumCast + Div>(
    a: RGB<T>, 
    b: RGB<T>
) -> F

Calculate contrast between two colors as specified by WCAG 2

Usage

use contrast::contrast;
use rgb::RGB8;

fn main() {
    let contrast: f32 = contrast(RGB8::from([255, 255, 255]), RGB8::from([255, 255, 0]));
    assert_eq!(contrast, 1.0738392);
}