Knight-Questor Flesh vs Red FS11136

How close are they?

ΔE 14.4, fair: the same colour family, but not a straight swap. Red FS11136 is more saturated, cooler than Knight-Questor Flesh.

Can I use Red FS11136 instead of Knight-Questor Flesh?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Red FS11136 is more saturated, cooler than Knight-Questor Flesh.

Can I use Knight-Questor Flesh instead of Red FS11136?

The same difference applies the other way round: Knight-Questor Flesh is 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.