Ruddy Umber vs Black Rose Immortal

How close are they?

ΔE 14.7, fair: the same colour family, but not a straight swap. Black Rose Immortal is noticeably darker, more muted than Ruddy Umber.

Can I use Black Rose Immortal instead of Ruddy Umber?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Black Rose Immortal is noticeably darker, more muted than Ruddy Umber.

Can I use Ruddy Umber instead of Black Rose Immortal?

The same difference applies the other way round: Ruddy Umber is noticeably lighter, more saturated.

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.