Bright Warm Grey vs IJA Light Grey Green

How close are they?

ΔE 10.3, fair: the same colour family, but not a straight swap. IJA Light Grey Green is a little darker, more saturated than Bright Warm Grey.

Can I use IJA Light Grey Green instead of Bright Warm Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). IJA Light Grey Green is a little darker, more saturated than Bright Warm Grey.

Can I use Bright Warm Grey instead of IJA Light Grey Green?

The same difference applies the other way round: Bright Warm Grey is a little lighter, 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.