Camo Sand vs Manticore Ochre

How close are they?

ΔE 17.7, loose: different enough that you should pick on purpose. Manticore Ochre is noticeably lighter, more saturated than Camo Sand.

Can I use Manticore Ochre instead of Camo Sand?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Manticore Ochre is noticeably lighter, more saturated than Camo Sand.

Can I use Camo Sand instead of Manticore Ochre?

The same difference applies the other way round: Camo Sand is noticeably darker, 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.