Home
/
JavaScript

JavaScript Color Picker

Color Picker

<html>
<head>

<title>Color Picker&nbsp; - Demo</title>

</head>
<script Language="JavaScript">

<!-- Hiding

var red=0;
var green=0;
var blue=0;
var value=0;
var convert = new Array()
var hexbase= new Array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F");

for (x=0; x<16; x++){
for (y=0; y<16; y++){
convert[value]= hexbase[x] + hexbase[y];
value++;
}
}

function clear(){
document.color.bl.value= blue;
document.color.rd.value= red;
document.color.gr.value= green;
}

function display(){
redx = convert[red]
greenx = convert[green]
bluex = convert[blue]
var rgb = "#"+redx+greenx+bluex;
document.color.rgbdspl.value= rgb;
document.bgColor =rgb;
}

function upred(x){
if ((red+x)<=255)
red+=x
document.color.rd.value= red;
display()
}

function downred(x){
if ((red-x)>=0)
red-=x
document.color.rd.value= red;
display()
}

function upgreen(x){
if ((green+x)<=255)
green+=x
document.color.gr.value= green;
display()
}

function downgreen(x){
if ((green-x)>=0)
green-=x
document.color.gr.value= green;
display()
}

function upblue(x){
if ((blue+x)<=255)
blue+=x
document.color.bl.value= blue;
display()
}

function downblue(x){
if ((blue-x)>=0)
blue-=x
document.color.bl.value= blue;
display()
}

// done hiding -->

</script>
<body onLoad="clear();display()" >




<p>&nbsp;</p>
<form Name="color">
  <div align="center"><center><table class=normal >
    <tr Align="Center">
      <td><input NAME="red" type="button" VALUE=" +50 " onclick="upred(50)"></td>
      <td><input NAME="red" type="button" VALUE=" + + " onclick="upred(10)"></td>
      <td><input NAME="red" type="button" VALUE=" + " onclick="upred(1)"> </td>
      <td><font Color="#FF0000" size="+3">RED</font></td>
      <td><input NAME="red-" type="button" VALUE=" - " onclick="downred(1)"></td>
      <td><input NAME="red-" type="button" VALUE=" - - " onclick="downred(10)"></td>
      <td><input NAME="red-" type="button" VALUE=" -50 " onclick="downred(50)"></td>
      <td><div align="left"><p><input type="text" Name="rd" Size="3"></div></td>
    </tr>
    <tr Align="Center">
      <td><input NAME="green" type="button" VALUE=" +50 " onclick="upgreen(50)"></td>
      <td><input NAME="green" type="button" VALUE=" + + " onclick="upgreen(10)"></td>
      <td><input NAME="green" type="button" VALUE=" + " onclick="upgreen(1)"></td>
      <td><font Color="#00FF00" size="+3">GREEN</font></td>
      <td><input NAME="green-" type="button" VALUE=" - " onclick="downgreen(1)"></td>
      <td><input NAME="green-" type="button" VALUE=" - - " onclick="downgreen(10)"></td>
      <td><input NAME="green-" type="button" VALUE=" -50 " onclick="downgreen(50)"></td>
      <td><input type="text" Name="gr" Size="3"></td>
    </tr>
    <tr Align="Center">
      <td><input NAME="blue" type="button" VALUE=" +50 " onclick="upblue(50)"></td>
      <td><input NAME="blue" type="button" VALUE=" + + " onclick="upblue(10)"></td>
      <td><input NAME="blue" type="button" VALUE=" + " onclick="upblue(1)"></td>
      <td><font Color="#0000FF" size="+3">BLUE</font></td>
      <td><input NAME="blue-" type="button" VALUE=" - " onclick="downblue(1)"></td>
      <td><input NAME="blue-" type="button" VALUE=" - - " onclick="downblue(10)"></td>
      <td><input NAME="blue-" type="button" VALUE=" -50 " onclick="downblue(50)"></td>
      <td><input type="text" Name="bl" Size="3"></td>
    </tr>
  </table>
  </center></div><div align="center"><center><p><input type="text" Name="rgbdspl" Size="7"> </p>
  </center></div>
</form>

<p>&nbsp;</p>

<p align="center"><font color="#C0C0C0">Copy source...</font></p>

</body>
</html>

Related Snippets