ation do not correspond to a linear change in
colour to the eye. More accurate models which overcome these limitations exist, such as 
the CIE scheme, but I've yet to understand these enough to work them out! Anyway, 
HLS works well enough unless you are interested in exact colour matching and 
processing between different display devices. </p><p>&#160;</p><p>&#160;</p><p>&#160;</p><p>&#160;</p><p>&#160;</p><p>&#160;</p></td><td class="rightbar" valign="top" bgcolor="#C2BEB1">
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