Kroxigor Scales vs Hulky Green

How close are they?

ΔE 16.8, loose: different enough that you should pick on purpose. Hulky Green is noticeably darker, warmer than Kroxigor Scales.

Can I use Hulky Green instead of Kroxigor Scales?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Hulky Green is noticeably darker, warmer than Kroxigor Scales.

Can I use Kroxigor Scales instead of Hulky Green?

The same difference applies the other way round: Kroxigor Scales is noticeably lighter, 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.