What is the difference between Phthalo Blue RS and Blue?

ΔE 17 (loose). Blue is a little lighter, much more muted, cooler. Swatch colours are estimates.

Phthalo Blue RS vs Blue

Phthalo Blue RS

Brand: Kimera Kolors
Range: Pure Pigments
Code: Pure Pigments
Type: an opaque base/layer paint
Swatch: #262965 (estimate)

Blue

Brand: Vallejo
Range: Model Air
Code: 71.004
Type: an opaque base/layer paint
Swatch: #303f68 (estimate)

How close are they?

ΔE 17.2, loose: different enough that you should pick on purpose. Blue is a little lighter, much more muted, cooler than Phthalo Blue RS.

Can I use Blue instead of Phthalo Blue RS?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Blue is a little lighter, much more muted, cooler than Phthalo Blue RS.

Can I use Phthalo Blue RS instead of Blue?

The same difference applies the other way round: Phthalo Blue RS is a little darker, much more saturated, 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 Phthalo Blue RS on the colour wheel See Blue on the colour wheel

Other Vallejo paints close to Phthalo Blue RS

Phthalo Blue RS vs Dark Blue (70.930)Model Color · ΔE 12, fair · closer than Blue
Phthalo Blue RS vs Violet Vamp (74.030)Fantasy-Pro · ΔE 12, fair · closer than Blue
Phthalo Blue RS vs Hexed Lichen (72.015)Game Color · ΔE 14, fair · closer than Blue

Other Kimera Kolors paints close to Blue

Blue vs Turquoise Deep (Pure Pigments)Pure Pigments · ΔE 6, very close · closer than Phthalo Blue RS
Blue vs Indigo (Pure Pigments)Pure Pigments · ΔE 7, close · closer than Phthalo Blue RS
Blue vs Blue Black (Signature)Signature Series · ΔE 18, loose

All matches: Phthalo Blue RS equivalents · Blue equivalents