Bright Green vs Lime Green

How close are they?

ΔE 11.2, fair: the same colour family, but not a straight swap. Lime Green is a little lighter, warmer than Bright Green.

Can I use Lime Green instead of Bright Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Lime Green is a little lighter, warmer than Bright Green.

Can I use Bright Green instead of Lime Green?

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