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Found 2 results

  1. I am trying to convert colors from Hex to HSL (Not HSL to Hex). I am using a PHP function for this purpose. But It's not working properly for some colors. For example for #e04c4c the HSL should be (0, 70%, 59%) which it isn't the case with the function. function hexToHsl($hex) { $red = hexdec(substr($hex, 0, 2)) / 255; $green = hexdec(substr($hex, 2, 2)) / 255; $blue = hexdec(substr($hex, 4, 2)) / 255; $cmin = min($red, $green, $blue); $cmax = max($red, $green, $blue); $delta = $cmax - $cmin; if ($delta === 0) { $hue = 0; } elseif ($cmax === $red) { $hue = (($green - $blue) / $delta) % 6; } elseif ($cmax === $green) { $hue = ($blue - $red) / $delta + 2; } else { $hue = ($red - $green) / $delta + 4; } $hue = round($hue * 60); if ($hue < 0) { $hue += 360; } $lightness = (($cmax + $cmin) / 2) * 100; $saturation = $delta === 0 ? 0 : ($delta / (1 - abs(2 * $lightness - 1))) * 100; if ($saturation < 0) { $saturation += 100; } $lightness = round($lightness); $saturation = round($saturation); //return "hsl(${hue}, ${saturation}%, ${lightness}%)"; return array($hue, $saturation, $lightness); } This is how I used it: $templatePrimaryColor = '#e04c4c'; $templatePrimaryColor = str_replace("#", "",$templatePrimaryColor); list($h,$s,$l) = hexToHsl($templatePrimaryColor); $primaryColor = "hsl(${h}, ${s}%, ${l}%)"; This is the output: echo '<pre>',print_r(hexToHsl($templatePrimaryColor)).'</pre>'; Array ( [0] => 0 [1] => 99 [2] => 59 ) 1 Does anyone know what is the problem there? Thank you.
  2. i need to change the color of a word in a string where the word is unknown (from $_POST) and may have one or more uppercase chars. code please.
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