Something like this (it does't seem to like this) :
<td style="color:" {fme:get-attribute("StoragePreviousWeekStartFontColour")} ";padding: 1px 1px 0px 1px; white-space:pre-wrap; word-wrap:break-word; border: 1px solid #d4d4d4">
{fme:get-attribute("Storage Mon 31 Aug")}
</td>