Blue Gorkshroom vs Flat Blue

How close are they?

ΔE 13.2, fair: the same colour family, but not a straight swap. Flat Blue is more muted, warmer than Blue Gorkshroom.

Can I use Flat Blue instead of Blue Gorkshroom?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Flat Blue is more muted, warmer than Blue Gorkshroom.

Can I use Blue Gorkshroom instead of Flat Blue?

The same difference applies the other way round: Blue Gorkshroom is more saturated, cooler.

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.