Blood Red Skies vs Orange

How close are they?

ΔE 14.6, fair: the same colour family, but not a straight swap. Orange is more saturated, warmer than Blood Red Skies.

Can I use Orange instead of Blood Red Skies?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Orange is more saturated, warmer than Blood Red Skies.

Can I use Blood Red Skies instead of Orange?

The same difference applies the other way round: Blood Red Skies is 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.