Brownish Decay vs Limelight

How close are they?

ΔE 7.9, close: similar, with a visible difference side by side. Limelight is more saturated, cooler than Brownish Decay.

Can I use Limelight instead of Brownish Decay?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Limelight is more saturated, cooler than Brownish Decay.

Can I use Brownish Decay instead of Limelight?

The same difference applies the other way round: Brownish Decay is more muted, 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.