element-ui/examples/color.js
2021-06-07 11:56:04 +08:00

19 lines
604 B
JavaScript

export const tintColor = (c, tint) => {
const color = c.replace('#', '');
let red = parseInt(color.slice(0, 2), 16);
let green = parseInt(color.slice(2, 4), 16);
let blue = parseInt(color.slice(4, 6), 16);
if (tint === 0) { // when primary color is in its rgb space
return [red, green, blue].join(',');
} else {
red += Math.round(tint * (255 - red));
green += Math.round(tint * (255 - green));
blue += Math.round(tint * (255 - blue));
red = red.toString(16);
green = green.toString(16);
blue = blue.toString(16);
return `#${ red }${ green }${ blue }`;
}
};