@Jayrude wrt to the coloured lights being slightly wrong: portal_convert_hsb_to_rgb() (portal.c:1961) has the source. looks like ss2/t2 had a bug where the conversion would lose some light energy, which deep cover fixed.
@vfig ah wonderful I have to replicate a bug
@Jayrude eh. think of it as thiefs own peculiar hsb variant, just as it has its own peculiar variants of everything else :)