Disgusting Slime vs Bright Green

How close are they?

ΔE 35.7, loose: different enough that you should pick on purpose. Bright Green is noticeably darker, more muted, cooler than Disgusting Slime.

Can I use Bright Green instead of Disgusting Slime?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 36). Bright Green is noticeably darker, more muted, cooler than Disgusting Slime.

Can I use Disgusting Slime instead of Bright Green?

The same difference applies the other way round: Disgusting Slime is noticeably lighter, more saturated, 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.