Lupercal Green vs Dragon Blue

How close are they?

ΔE 13.2, fair: the same colour family, but not a straight swap. Dragon Blue is noticeably lighter, cooler than Lupercal Green.

Can I use Dragon Blue instead of Lupercal Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Dragon Blue is noticeably lighter, cooler than Lupercal Green.

Can I use Lupercal Green instead of Dragon Blue?

The same difference applies the other way round: Lupercal Green is noticeably 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.