What is the difference between Phthalo Blue RS and Royal Blue?

ΔE 15 (loose). Royal Blue is noticeably lighter, cooler. Swatch colours are estimates.

Phthalo Blue RS vs Royal Blue

Phthalo Blue RS

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

Royal Blue

Brand: Vallejo
Range: Model Color
Code: 70.809
Type: an opaque base/layer paint
Swatch: #264a8b (estimate)

How close are they?

ΔE 15.5, loose: different enough that you should pick on purpose. Royal Blue is noticeably lighter, cooler than Phthalo Blue RS.

Can I use Royal Blue instead of Phthalo Blue RS?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Royal Blue is noticeably lighter, cooler than Phthalo Blue RS.

Can I use Phthalo Blue RS instead of Royal Blue?

The same difference applies the other way round: Phthalo Blue RS is noticeably darker, 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 Royal 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 Royal Blue
Phthalo Blue RS vs Violet Vamp (74.030)Fantasy-Pro · ΔE 12, fair · closer than Royal Blue
Phthalo Blue RS vs Hexed Lichen (72.015)Game Color · ΔE 14, fair · closer than Royal Blue

Other Kimera Kolors paints close to Royal Blue

Royal Blue vs Phthalo Blue GS (Pure Pigments)Pure Pigments · ΔE 14, fair · closer than Phthalo Blue RS
Royal Blue vs Indigo (Pure Pigments)Pure Pigments · ΔE 20, loose
Royal Blue vs Turquoise Deep (Pure Pigments)Pure Pigments · ΔE 21, loose

All matches: Phthalo Blue RS equivalents · Royal Blue equivalents