What is the difference between Frost Blue and RLM 78 Light Blue?

ΔE 15 (fair). RLM 78 Light Blue is noticeably darker, cooler. Swatch colours are estimates.

Frost Blue vs RLM 78 Light Blue

Frost Blue

Brand: Army Painter
Range: Warpaints Fanatic
Type: an opaque base/layer paint
Swatch: #a5c2de (estimate)

RLM 78 Light Blue

Brand: Mr. Hobby
Range: Aqueous Hobby Color
Code: H-418
Type: an opaque base/layer paint
Swatch: #70a8bd (estimate)

How close are they?

ΔE 14.7, fair: the same colour family, but not a straight swap. RLM 78 Light Blue is noticeably darker, cooler than Frost Blue.

Can I use RLM 78 Light Blue instead of Frost Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). RLM 78 Light Blue is noticeably darker, cooler than Frost Blue.

Can I use Frost Blue instead of RLM 78 Light Blue?

The same difference applies the other way round: Frost Blue is noticeably lighter, warmer.

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.

See Frost Blue on the colour wheel See RLM 78 Light Blue on the colour wheel

Other Mr. Hobby paints close to Frost Blue

Frost Blue vs IJN Gray Mitsubishi (C-35)Mr. Color · ΔE 12, fair · closer than RLM 78 Light Blue
Frost Blue vs IJN Gray Mitsubishi (N-61)Acrysion · ΔE 12, fair · closer than RLM 78 Light Blue
Frost Blue vs Light Gull Gray (C-11)Mr. Color · ΔE 16, loose

Other Army Painter paints close to RLM 78 Light Blue

RLM 78 Light Blue vs Runic CobaltWarpaints Fanatic · ΔE 11, fair · closer than Frost Blue
RLM 78 Light Blue vs Fog GreyWarpaints Legacy · ΔE 11, fair · closer than Frost Blue
RLM 78 Light Blue vs Aegis AquaWarpaints Fanatic · ΔE 12, fair · closer than Frost Blue

All matches: Frost Blue equivalents · RLM 78 Light Blue equivalents