White Scar vs Heavy Warm White

How close are they?

ΔE 13.9, fair: the same colour family, but not a straight swap. Heavy Warm White is a little darker, much more saturated than White Scar.

Can I use Heavy Warm White instead of White Scar?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Heavy Warm White is a little darker, much more saturated than White Scar.

Can I use White Scar instead of Heavy Warm White?

The same difference applies the other way round: White Scar is a little lighter, much 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.