Код:
<table><tr>
<td onclick="return changeVisibility('mycolor', this)"><img src="http://forum.mybb.ru/i/color_swatch.png" alt="Мои цвета" /></td></tr></table>
<div class="container" id="mycolor" style="display:none; width:200px">
	<table cellspacing="0">
<tr>
<td style="background-color:indigo" onclick="bbcode('[color=indigo]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:thistle" Height="15px" onclick="bbcode('[color=thistle]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:tomato" onclick="bbcode('[color=tomato]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:yellowgreen" onclick="bbcode('[color=yellowgreen]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:lightslategray" onclick="bbcode('[color=lightslategray]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:lightpink" onclick="bbcode('[color=lightpink]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:goldenrod" onclick="bbcode('[color=goldenrod]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:blue" onclick="bbcode('[color=blue]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:silver" onclick="bbcode('[color=silver]', '[/color]'); return changeVisibility('mycolor', this)"></td>
	<td style="background-color:aquamarine" onclick="bbcode('[color=aquamarine]', '[/color]'); return changeVisibility('mycolor', this)"></td>
</tr>
	</table>
	</div>

Эта стандартная.