Sacred Scarlet vs Fire Orange

How close are they?

ΔE 13.8, fair: the same colour family, but not a straight swap. Fire Orange is more muted, warmer than Sacred Scarlet.

Can I use Fire Orange instead of Sacred Scarlet?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Fire Orange is more muted, warmer than Sacred Scarlet.

Can I use Sacred Scarlet instead of Fire Orange?

The same difference applies the other way round: Sacred Scarlet is more saturated, 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.