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Random Hex Color

Technique #1

<?php 

    $rand = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f');
    $color = '#'.$rand[rand(0,15)].$rand[rand(0,15)].$rand[rand(0,15)].$rand[rand(0,15)].$rand[rand(0,15)].$rand[rand(0,15)];

?>

Then echo out the $color value anywhere you need it. For example:

<body style="background: <?php echo $color; ?>;">

Technique #2

<?php printf( "#%06X\n", mt_rand( 0, 0xFFFFFF )); ?>

There is also a JavaScript version.

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  1. Rimantas

    Simpler version:

    <php $color = sprintf(“#%06x”,rand(0,16777215)); ?>

    <body style="background: <php echo $color; ?>;”>

    Reply ↓
  2. Starla Insigna

    Interestingly enough, I had to do this exact task just a few days ago. Here’s what I came up with:

    $color = str_pad(dechex(rand(0,16777215),6, "0", STR_PAD_LEFT);

    Reply ↓
  3. Santosh Kumar

    In technique #1 you can tweak with the code to get Red, Green and Blue shades out of the code. The all you have to play with is the value upto 15.

    Reply ↓

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