Why not try this instead:
if the query says aqua
$selected = "aqua";
if the query says orange
$selected = "orange";
OR
if the query says aqua
$aqua = "selected";
$orange = "";
if the query says orange
$orange = "selected";
$aqua = "";
I really do not know what you are trying to pull off, but I suggest using one varable to set the selected (aqua or orange) value.