Flag Red vs Cherry Wood

How close are they?

ΔE 15.2, loose: different enough that you should pick on purpose. Cherry Wood is more muted, warmer than Flag Red.

Can I use Cherry Wood instead of Flag Red?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Cherry Wood is more muted, warmer than Flag Red.

Can I use Flag Red instead of Cherry Wood?

The same difference applies the other way round: Flag Red is 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.