ΔE 11.7, fair: the same colour family, but not a straight swap. Tyrant Skull is a little darker, more muted, cooler than Feywild Glow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Tyrant Skull is a little darker, more muted, cooler than Feywild Glow.
The same difference applies the other way round: Feywild Glow is a little lighter, more saturated, warmer.
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 Feywild Glow on the colour wheel See Tyrant Skull on the colour wheel
All matches: Feywild Glow equivalents · Tyrant Skull equivalents