Aged Hide vs Chameleon Orange

How close are they?

ΔE 15.3, loose: different enough that you should pick on purpose. Chameleon Orange is noticeably darker, more saturated than Aged Hide.

Can I use Chameleon Orange instead of Aged Hide?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Chameleon Orange is noticeably darker, more saturated than Aged Hide.

Can I use Aged Hide instead of Chameleon Orange?

The same difference applies the other way round: Aged Hide is noticeably lighter, more muted.

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.