Royal Cloak vs Hull Red

How close are they?

ΔE 10.5, fair: the same colour family, but not a straight swap. Hull Red is a little darker, more saturated, warmer than Royal Cloak.

Can I use Hull Red instead of Royal Cloak?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Hull Red is a little darker, more saturated, warmer than Royal Cloak.

Can I use Royal Cloak instead of Hull Red?

The same difference applies the other way round: Royal Cloak is a little lighter, more muted, 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.