Thunderhawk Blue vs Deep Ocean

How close are they?

ΔE 10.9, fair: the same colour family, but not a straight swap. Deep Ocean is a little darker, cooler than Thunderhawk Blue.

Can I use Deep Ocean instead of Thunderhawk Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Deep Ocean is a little darker, cooler than Thunderhawk Blue.

Can I use Thunderhawk Blue instead of Deep Ocean?

The same difference applies the other way round: Thunderhawk Blue is a little lighter, 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.