Temple Guard Blue vs Morning Sky

How close are they?

ΔE 17.3, loose: different enough that you should pick on purpose. Morning Sky is a little lighter, more muted, warmer than Temple Guard Blue.

Can I use Morning Sky instead of Temple Guard Blue?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Morning Sky is a little lighter, more muted, warmer than Temple Guard Blue.

Can I use Temple Guard Blue instead of Morning Sky?

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