Algae Green vs Savage Beige

How close are they?

ΔE 31.5, loose: different enough that you should pick on purpose. Savage Beige is noticeably lighter, more muted, warmer than Algae Green.

Can I use Savage Beige instead of Algae Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 31). Savage Beige is noticeably lighter, more muted, warmer than Algae Green.

Can I use Algae Green instead of Savage Beige?

The same difference applies the other way round: Algae Green is noticeably darker, more saturated, 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.