Screaming Skull vs Sun Ray

How close are they?

ΔE 12.5, fair: the same colour family, but not a straight swap. Sun Ray is noticeably lighter than Screaming Skull.

Can I use Sun Ray instead of Screaming Skull?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Sun Ray is noticeably lighter than Screaming Skull.

Can I use Screaming Skull instead of Sun Ray?

The same difference applies the other way round: Screaming Skull is noticeably darker.

ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.