Grey Castle vs M495 Light Gray

How close are they?

ΔE 5.8, very close: most people won’t see a difference side by side. M495 Light Gray is a little darker, more saturated than Grey Castle.

Can I use M495 Light Gray instead of Grey Castle?

Yes, for most jobs. Very close match (ΔE 6). M495 Light Gray is a little darker, more saturated than Grey Castle.

Can I use Grey Castle instead of M495 Light Gray?

The same difference applies the other way round: Grey Castle is a little lighter, more muted.

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.