ΔE 10.3, fair: the same colour family, but not a straight swap. Scrofulous Brown is noticeably darker than Radiation Glow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Scrofulous Brown is noticeably darker than Radiation Glow.
The same difference applies the other way round: Radiation Glow 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 Radiation Glow on the colour wheel See Scrofulous Brown on the colour wheel
All matches: Radiation Glow equivalents · Scrofulous Brown equivalents