Excel 2003, should work in Excel 2000 as well

to simply filter on cell colors you might use the following function:

Function kolor(cell As Range) As Integer
kolor = cell.Interior.ColorIndex
End Function

press Alt+F11
then Insert-Module
and paste the a/m code

presume you want to determine color of A1
then in B1 insert the following:
=kolor(A1)

copy down and apply autofilter

HIH