Articles Tagged
color

36 Articles

Lighten / Darken Color

The CSS preprocessors Sass and Less can take any color and darken() or lighten() it by a specific value. But no such ability is built into JavaScript. This function takes colors in hex format (i.e. #F06D06, with or without hash) …

Chris Coyier on Jan 1, 2013 (Updated on Jan 20, 2020)

color rgba

RGBa Browser Support

This article was originally published on February 2, 2009 and is now being updated to clarify the concept and update the information for modern browsers.

RGBa is a way to declare a color in CSS that includes alpha transparency support. …

Chris Coyier on May 19, 2010 (Updated on Sep 28, 2018)

color hex random

How To Generate a Random Color in JavaScript

Here’s a quicky (there is a PHP version too):

var randomColor = Math.floor(Math.random()*16777215).toString(16);

See the Pen
Generate New Random Hex Color with JavaScript by Chris Coyier (@chriscoyier)
on CodePen.

If you’d prefer they are a bit more …

Chris Coyier on Dec 10, 2009 (Updated on Feb 19, 2020)