<?php
function getColor($rgb)
{
$colors = array(BLUE =>0x0a9ef3, RED => 0xea0a2f, GREEN => 0x336633);
$largestDiff = 0;
$closestColor = "";
foreach ($colors as $name => $rgbColor)
{
if (!isset($smallestDiff)) {
$smallestDiff = colorDiff($rgbColor,$rgb);
$closestColor = $name;
} else if (colorDiff($rgbColor,$rgb) < $smallestDiff)
{
$smallestDiff = colorDiff($rgbColor,$rgb);
$closestColor = $name;
}
}
return $closestColor;
}
function colorDiff($rgb1,$rgb2)
{
// do the math on each tuple
$red1 = hexdec(substr($rgb1,0,2));
$green1 = hexdec(substr($rgb1,2,2));
$blue1 = hexdec(substr($rgb1,4,2));
$red2 = hexdec(substr($rgb2,0,2));
$green2 = hexdec(substr($rgb2,2,2));
$blue2 = hexdec(substr($rgb2,4,2));
return abs($red1 - $red2) + abs($green1 - $green2) + abs($blue1 - $blue2) ;
}
$color = '336633';
$closestmatch = getColor("0x".$color);
echo $closematch;
?>
preferences:
32.89 ms | 402 KiB | 5 Q