Código PHP:
<table width="100%" border="1">
<tr onmouseover="this.bgColor='#FFFFFF'" onmouseout="this.bgColor='#D0D9E0'">
<td>afd</td>
<td>qre</td>
</tr>
<tr onmouseover="this.bgColor='#FFFFFF'" onmouseout="this.bgColor='#D0D9E0'">
<td>afd</td>
<td>qre</td>
</tr>
<tr onmouseover="this.bgColor='#FFFFFF'" onmouseout="this.bgColor='#D0D9E0'">
<td>afd</td>
<td>qre</td>
</tr>
</table>