RLM 65 Light Blue vs Light Blue Green

How close are they?

ΔE 12.5, fair: the same colour family, but not a straight swap. Light Blue Green is a little darker, more saturated than RLM 65 Light Blue.

Can I use Light Blue Green instead of RLM 65 Light Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Light Blue Green is a little darker, more saturated than RLM 65 Light Blue.

Can I use RLM 65 Light Blue instead of Light Blue Green?

The same difference applies the other way round: RLM 65 Light Blue 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.