1-bit en 8-bit transparantie, voorbeeld in HTML

<table style="border: 1px dotted #fd279e;">
<tr>
    <td><img src="detail_lijn_alias.png" style="width:174px;height:127px;background-color:white;"  /></td>
    <td><img src="detail_lijn_alias.gif" style="width:174px;height:127px;background-color:white;"  /></td>
</tr><tr>
    <td><img src="detail_lijn_alias.png" style="width:174px;height:127px;background-color:red;"  /></td>
    <td><img src="detail_lijn_alias.gif" style="width:174px;height:127px;background-color:red;"  /></td>
</tr><tr>
    <td><img src="detail_lijn_alias.png" style="width:174px;height:127px;"  /><br />
    <img src="detail_lijn_alias.png" style="width:174px;height:127px;margin-top:-118px;"  /></td>
</tr><tr>
    <td><img src="detail_lijn_alias.gif" style="width:174px;height:127px;"  /><br />
    <td><img src="detail_lijn_alias.gif" style="width:174px;height:127px;margin-top:-118px;"  /></td>
</tr>
</table>