Feywild Glow vs Titan Buff

How close are they?

ΔE 9.3, close: similar, with a visible difference side by side. Titan Buff is more muted, cooler than Feywild Glow.

Can I use Titan Buff instead of Feywild Glow?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Titan Buff is more muted, cooler than Feywild Glow.

Can I use Feywild Glow instead of Titan Buff?

The same difference applies the other way round: Feywild Glow is 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.