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Friday, January 11, 2019

Convert hex color to RGB values in PHP

Question:

What would be a good way to convert hex color values like #ffffff into the single RGB values 255 255 255 using PHP?


Solution:

Example 1:
Check out PHP's hexdec() and dechex() functions.

<?php
$value = hexdec('ff'); // $value = 255
?>


Example 2:
If you want to convert hex to rgb you can use sscanf.

<?php
$hex = "#ff9900";
list($r, $g, $b) = sscanf($hex, "#%02x%02x%02x");
echo "$hex -> $r $g $b"; // #ff9900 -> 255 153 0
?>
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Item Reviewed: Convert hex color to RGB values in PHP Rating: 5 Reviewed By: Thiruvikraman Govindarajan