Pigment pair · PBr24 + PB29
Mixing Naples Yellow and Ultramarine
Nine steps from one to the other, worked out with a spectral model rather than by averaging screen colors. Half and half gives #426A9F. Click any step to open it in the mixer.
The full range, Naples Yellow to Ultramarine
Ratios are parts by volume, the way you would put them out on a palette.
These two knock each other back a long way without quite cancelling. The middle of the range is a muted, slightly colored gray — often more useful than a dead neutral, because it still belongs to the painting around it.
The quietest point: #809CA6
At 6:1 this pair is at its most neutral. That is the mixture to reach for when you need a shadow or a gray that still belongs to the rest of the painting.
The same range with white added
Two parts titanium white to one part of the mixture above. White lifts the value but also takes the chroma down, which is why a tint is never simply a lighter version of the same color.
What you are working with
| Pigment | Index | Strength | Opacity | Lightfast | In |
|---|---|---|---|---|---|
| Naples Yellow | PBr24 | 3/10 | opaque | excellent | Oil |
| Ultramarine | PB29 | 6/10 | transparent, granulating | excellent | Oil, Watercolor |
Comes with white already in it. A quick route to soft light tints without reaching for titanium.
A warm blue that leans towards violet. Granulates beautifully in watercolor.
Now do it with your own paints
This page assumes two tubes. The mixer works from everything on your palette at once, and from a color you pick out of your own photo.