Purple Flesh vs Light Violet

How close are they?

ΔE 18.0, loose: different enough that you should pick on purpose. Light Violet is a little lighter, more saturated, cooler than Purple Flesh.

Can I use Light Violet instead of Purple Flesh?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Light Violet is a little lighter, more saturated, cooler than Purple Flesh.

Can I use Purple Flesh instead of Light Violet?

The same difference applies the other way round: Purple Flesh is a little darker, more muted, warmer.

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.