Define colors using the Red-Green-Blue-Alpha model (RGBA) with CSS

CSSWeb DevelopmentFront End Technology

Use the CSS rgb() function to define color using the RGB Model.

Use the CSS rgba() function to set RGB colors with opacity.

Example

You can try to run the following code to set the color with rgba() function

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <style>
         h1 {
            background-color:hsl(0,100%,50%);
         }
         h2 {
            background-color:rgb(0,0,255);
            color: rgb(255,255,255);
         }
         p {
            background-color:rgba(255,0,0,0.9);
         }
      </style>
   </head>
   <body>
      <h1>Red Background</h1>
      <h2>Blue Background</h2>
      <p>This is demo text!</p>
   </body>
</html>
raja
George John
Published on 31-May-2018 11:05:46
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