Vulkan Green vs Grass Green

How close are they?

ΔE 10.4, fair: the same colour family, but not a straight swap. Grass Green is a little lighter, cooler than Vulkan Green.

Can I use Grass Green instead of Vulkan Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Grass Green is a little lighter, cooler than Vulkan Green.

Can I use Vulkan Green instead of Grass Green?

The same difference applies the other way round: Vulkan Green is a little darker, 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.