ΔE 11.0, fair: the same colour family, but not a straight swap. Beasty Brown is noticeably darker than Solar Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Beasty Brown is noticeably darker than Solar Yellow.
The same difference applies the other way round: Solar Yellow is noticeably lighter.
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.
See Solar Yellow on the colour wheel See Beasty Brown on the colour wheel
All matches: Solar Yellow equivalents · Beasty Brown equivalents