rgb() / rgba()
rgb() / rgba() is a CSS function in the Functions category. Creates a color value from red, green, blue components. The syntax is rgb(<r> <g> <b> / <a>?). A typical example: color: rgb(100 150 200); It is commonly applied to markup such as <div class="demo">Sample</div> Browser support: Chrome 4+, Firefox 3.5+, Safari 3.1+, Edge 12+. A close relative is calc(), which performs mathematical calculations with mixed units. A close relative is min(), which selects the smallest value from a list. A close relative is max(), which selects the largest value from a list. More about this category: CSS functions — calc(), var(), clamp(), min(), max() and more. Related Functions entries: calc(), min(), max(), clamp(), var(), env(), url(), attr(). This page is part of the free CSS Reference documentation covering 841+ properties, selectors, functions, and at-rules, each with syntax, values, examples, and browser support.