Fluorescent Orange vs Fresh Blood

How close are they?

ΔE 14.5, fair: the same colour family, but not a straight swap. Fresh Blood is more muted, cooler than Fluorescent Orange.

Can I use Fresh Blood instead of Fluorescent Orange?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Fresh Blood is more muted, cooler than Fluorescent Orange.

Can I use Fluorescent Orange instead of Fresh Blood?

The same difference applies the other way round: Fluorescent Orange is more saturated, warmer.

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.