Php Programming Code Examples

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216 color table



216 color table

<html> 
<head> 
<title>Color</title> 
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> 
<style type="text/css"> 
body { 
    font-size: 7pt; 
    font-family: "verdana"; 
    SCROLLBAR-FACE-COLOR: #FFFFFF; 
    SCROLLBAR-HIGHLIGHT-COLOR: #FFFFFF; 
    SCROLLBAR-SHADOW-COLOR: #FFFFFF; 
    SCROLLBAR-3D-LIGHT-COLOR: #FFFFFF; 
    SCROLLBAR-ARROW-COLOR: #FFFFFF; 
    SCROLLBAR-TRACK-COLOR: #FFFFFF; 
    SCROLLBAR-DARK-SHADOW-COLOR: #FFFFFF; 
    SCROLLBAR-BORDER: 0px; 
} 
td { 
    font-size: 11pt; 
    font-family: "verdana"; 
} 
a { 
    font-size: 11pt; 
    font-family: "verdana"; 
} 
input { 
    font-size: 7pt; 
    font-family: "verdana"; 
} 
</style> 
<script language="JavaScript"> 
function setColor(color) { 
    document.form.color_hex.value = "#"+color; 
    document.form.color.style.backgroundColor = "#"+color; 
} 
</script> 
</head> 
<body bgcolor="" leftmargin="0" rightmargin="0" topmargin="0" bottommargin="0"> 
<?php 
// color cell fill 
$fill    =    "     "; 
$col_r    =    0;    // red color 
$col_g    =    0;    // green color 
$col_b    =    0;    // blue color 

$row_return        =    0; 
$block_return    =    0; 

echo "<table border='0' cellspacing='3' cellpadding='0' align='center'> 
        <thead><th colspan='3'>216 Colours Pallete</th></thead><tr>"; 

while($col_r <= 255) { 
    $col_g    =    0; 
      
    echo "<td>"; 
    $block_return++; 
      
    while($col_g <= 255) { 
        $col_b = 0; 
          
            while($col_b <= 255) { 
                $red    =    strtoupper(dechex($col_r)); 
                $green    =    strtoupper(dechex($col_g)); 
                $blue    =    strtoupper(dechex($col_b)); 
                $color    =    str_pad($red, 2, '0', STR_PAD_LEFT)."".str_pad($green, 2, '0', STR_PAD_LEFT)."".str_pad($blue, 2, '0', STR_PAD_LEFT); 
                ?> 
                <a onMouseDown="setColor('<?php echo $color ?>')" style="cursor: hand; background: #<?php echo $color ?>;"><?php echo $fill; ?></a> 
                <?php 
                // Form the row of 6 colors... 
                $row_return++;                  
                if($row_return==6) { 
                    echo "<br>"; 
                    $row_return = 0; 
                }              
                $col_b+=51;    // decrement for more colors, but be carefull, there are over 16 Million colors 
            } 
        $col_g+=51;            // decrement for more colors, but be carefull, there are over 16 Million colors                  
    } 
    $col_r+=51;                // decrement for more colors, but be carefull, there are over 16 Million colors 
      
    // deal with the end rows in order to display the colors in a table... 
    if($block_return == 3) { 
        echo "</td></tr><tr>"; 
    }else { 
        echo "</td>"; 
    } 
} 
echo "</tr></table>";    // end row & table 


// Display the Grey colors 
$col = 16; 
echo "<div align=\"center\">"; 
echo "<h4>Greyscale</h4>"; 
while($col <= 255) { 
    $red    =    strtoupper(dechex($col)); 
    $green    =    strtoupper(dechex($col)); 
    $blue    =    strtoupper(dechex($col)); 
    $color = str_pad($red, 2, '0', STR_PAD_LEFT)."".str_pad($green, 2, '0', STR_PAD_LEFT)."".str_pad($blue, 2, '0', STR_PAD_LEFT); 
    ?> 
    <a onMouseDown="setColor('<?php echo $color ?>')" style="cursor: hand; background: #<?php echo $color ?>;"><?php echo $fill; ?></a> 
    <?php 
    $col +=16; 
} 
echo "</div>"; 
?> 
<center> 
<form name="form"> 
    Hex Value: 
    <input type="text" name="color_hex" size="10"><br> 
    <textarea cols="40" rows="10" name="color" style="background: white; border: 0;" disabled></textarea> 
</form> 
</center> 

</body> 
</html>