Sand Grey vs Light Green Grey

How close are they?

ΔE 14.6, fair: the same colour family, but not a straight swap. Light Green Grey is noticeably darker, more muted than Sand Grey.

Can I use Light Green Grey instead of Sand Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Light Green Grey is noticeably darker, more muted than Sand Grey.

Can I use Sand Grey instead of Light Green Grey?

The same difference applies the other way round: Sand Grey is noticeably lighter, more saturated.

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.