Bright Green vs Warpstone Glow

How close are they?

ΔE 13.3, fair: the same colour family, but not a straight swap. Warpstone Glow is much more saturated than Bright Green.

Can I use Warpstone Glow instead of Bright Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Warpstone Glow is much more saturated than Bright Green.

Can I use Bright Green instead of Warpstone Glow?

The same difference applies the other way round: Bright Green is much more muted.

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.