Reptilian Green vs Light Emerald

How close are they?

ΔE 14.4, fair: the same colour family, but not a straight swap. Light Emerald is noticeably lighter, cooler than Reptilian Green.

Can I use Light Emerald instead of Reptilian Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Light Emerald is noticeably lighter, cooler than Reptilian Green.

Can I use Reptilian Green instead of Light Emerald?

The same difference applies the other way round: Reptilian 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.