quick few mins with some javascript and here ya go....
< id=1 name=1>
<HTML>
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
<script language="javascript">
<!--
function ChangeColor() {
var thisColor = document.forms['Form1']['color'].value;
document.getElementById("cell").style.backgroundColor = thisColor;
}
//-->
</script>
</HEAD>
<BODY>
<form name="Form1" id="Form1">
<table cellpadding="10" border="1">
<tr>
<td id="cell">
<div><input type="text" size="15" maxlength="7" name="color" onBlur="ChangeColor()"/></div>
</td>
</tr>
</table>
</form>
</BODY>
</HTML>
>