Screaming Skull vs Bright Pale Yellow

How close are they?

ΔE 13.6, fair: the same colour family, but not a straight swap. Bright Pale Yellow is noticeably lighter, more saturated than Screaming Skull.

Can I use Bright Pale Yellow instead of Screaming Skull?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Bright Pale Yellow is noticeably lighter, more saturated than Screaming Skull.

Can I use Screaming Skull instead of Bright Pale Yellow?

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

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.