Temple Guard Blue vs Cold Armour

How close are they?

ΔE 20.9, loose: different enough that you should pick on purpose. Cold Armour is a little darker, much more muted, warmer than Temple Guard Blue.

Can I use Cold Armour instead of Temple Guard Blue?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Cold Armour is a little darker, much more muted, warmer than Temple Guard Blue.

Can I use Temple Guard Blue instead of Cold Armour?

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