Disgusting Slime vs C.P. Cadmium Yellow Primrose

How close are they?

ΔE 30.2, loose: different enough that you should pick on purpose. C.P. Cadmium Yellow Primrose is noticeably lighter, more saturated, warmer than Disgusting Slime.

Can I use C.P. Cadmium Yellow Primrose instead of Disgusting Slime?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 30). C.P. Cadmium Yellow Primrose is noticeably lighter, more saturated, warmer than Disgusting Slime.

Can I use Disgusting Slime instead of C.P. Cadmium Yellow Primrose?

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