I think the current colors are perfect
sometimes something that isn't exactly as you expect is perfect - I think this color scheme or something similar is perfect - its very soft/smoothing aka why I
my BSG colors even if I don't see it matching the show feel - blue/red for Superman would be perfect but not sure it can be done without being too dark or hard on the eyes. So I feel this scheme is perfect
Clark
Lex
Lois
Lana
Chloe
Oliver
Jonathan
Martha
I do feel Lionel is important but he would be last on my feelings - otherwise feel those are the most constant/connected to the series and longevity - closest to Clark whom he had the closest relations with