Posted By

h4rrisonjames on 08/04/09

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html
color

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Last Edited at 08/04/09 02:01am

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RGB 2 HTML Colour

/ Published in: PHP

Converts a given RGB colour value such as that provided by the imagecolorat() function into an html compliant colour.

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<?php
function rgb2html($r, $g=-1, $b=-1)
{
    if (is_array($r) && sizeof($r) == 3)
        list($r, $g, $b) = $r;
 
    $r = intval($r); $g = intval($g);
    $b = intval($b);
 
    $r = dechex($r<0?0:($r>255?255:$r));
    $g = dechex($g<0?0:($g>255?255:$g));
    $b = dechex($b<0?0:($b>255?255:$b));
 
    $color = (strlen($r) < 2?'0':'').$r;
    $color .= (strlen($g) < 2?'0':'').$g;
    $color .= (strlen($b) < 2?'0':'').$b;
    return '#'.$color;
}
?>