How to Mix Raw Sienna in Acrylic

Quick answer

To mix raw sienna (#B67F3E) in acrylic, use 11 parts Raw Umber, 8 parts Titanium White and 1 part Alizarin Crimson. Chromilla's model predicts an 88% dry match against the target, scored against its own color model, not a measured paint-out. Chromilla is a web-based paint color mixer that turns any color, from a photo, the camera or a hex code, into exact paint-tube ratios for acrylic, oil and watercolor, using Kubelka-Munk pigment mixing and aiming at the color after it dries.

Adjust for my paints

Target

Raw Sienna

#B67F3E

Predicted dry result

88% match when dry

Mix to #B87E39 while wet. It dries to about #A97131.

Raw Sienna in acrylic: tube ratios, and ml for a 100 ml batch
PaintPigmentPartsShare100 ml batch
Raw UmberPBr71156%56 ml
Titanium WhitePW6839%39 ml
Alizarin CrimsonPR8315%5 ml

How we calculated this: Kubelka-Munk pigment mixing, then a per-medium dry shift, scored with CIEDE2000. Method and accuracy benchmark. Last checked August 2026.

Terms used here: Tinting strength, Dry shift, Kubelka-Munk, Delta E (dE2000), Pigment code, Gamut.

A transparent warm gold-brown. Cleaner than yellow ochre. This guide gives you the pigment ratios that land on #B67F3E in acrylic, using the same solver that powers the Chromilla mixer.

Pigment recipe

Checked August 2026

Ratios calibrated for acrylic. Start with the dominant pigment, add the modifiers in the order below, and adjust in 5% steps to your target swatch.

  1. 1. Raw Umber

    PBr7

    56%
  2. 2. Titanium White

    PW6

    39%
  3. 3. Alizarin Crimson

    PR83

    5%

What colors make Raw Sienna?

Raw Umber, Titanium White, and Alizarin Crimson, in roughly a 56:39:5 ratio.

How to make Raw Sienna in acrylic

Start with Raw Umber at about 56% as your acrylic base, then work in Titanium White and Alizarin Crimson in the order above. Adjust in 5% steps until the swatch reads #B67F3E.

Why mix Raw Sienna instead of buying it

Mixing Raw Sienna yourself lets you approximate an expensive or hard to find tube from pigments you already own, match Raw Sienna across paint brands whose factory tubes differ, and rebuild the exact color when you run out mid painting. The recipe above is the working starting point.

Common mistakes

White cools and chalks a mix as you add it, so tint in small steps and stop before it goes pastel.

Variations on Raw Sienna

Each variation is its own target (lighter and darker move OKLCH lightness by 0.08; warmer and cooler turn the hue 12 degrees toward red or blue), solved fresh.

Lighter Raw Sienna

#D09857

65% Titanium White, 30% Raw Umber and 5% Alizarin Crimson. Chromilla's model predicts an 87% dry match against the target, scored against its own color model, not a measured paint-out.

Darker Raw Sienna

#9D6723

80% Raw Umber, 15% Titanium White and 5% Cadmium Red. Chromilla's model predicts an 89% dry match against the target, scored against its own color model, not a measured paint-out.

Warmer Raw Sienna

#BD7A48

5 parts Titanium White, 5 parts Raw Umber and 1 part Alizarin Crimson. Chromilla's model predicts an 89% dry match against the target, scored against its own color model, not a measured paint-out.

Cooler Raw Sienna

#BD7A48

5 parts Titanium White, 5 parts Raw Umber and 1 part Alizarin Crimson. Chromilla's model predicts an 89% dry match against the target, scored against its own color model, not a measured paint-out.

Raw Sienna questions

What two colors make raw sienna?
Chromilla's acrylic recipe uses 3 tubes rather than two: 11 parts Raw Umber, 8 parts Titanium White and 1 part Alizarin Crimson. Raw Umber leads the mix. Chromilla's model predicts an 88% dry match against the target, scored against its own color model, not a measured paint-out.
How do you make raw sienna paint lighter without losing the hue?
Re-balance the mix instead of only adding white. For a lighter raw sienna (#D09857) in acrylic, Chromilla mixes 65% Titanium White, 30% Raw Umber and 5% Alizarin Crimson. Chromilla's model predicts an 87% dry match against the target, scored against its own color model, not a measured paint-out.
Why does raw sienna look different when acrylic dries?
Acrylic binder looks milky while wet and clears as it dries, so the dried film reads darker. Chromilla's model applies a 10% value shift for acrylic, so the wet mix #B87E39 is predicted to dry to about #A97131. Dries slightly darker and a touch warmer.
What is the hex code for raw sienna?
Chromilla uses #B67F3E as the target for raw sienna. The acrylic recipe is predicted to dry to about #A97131.
Can I mix raw sienna without black?
Yes. Chromilla's acrylic recipe uses no black: 11 parts Raw Umber, 8 parts Titanium White and 1 part Alizarin Crimson.

Raw Sienna in other mediums

  • Raw Sienna in Oil: 11 parts Raw Umber, 8 parts Titanium White and 1 part Alizarin Crimson, predicted 98% dry match by Chromilla's color model.
  • Raw Sienna in Watercolor: 11 parts Raw Umber, 8 parts Titanium White and 1 part Alizarin Crimson, predicted 89% dry match by Chromilla's color model.

Get this recipe for your paint brand

Open the live mixer with Raw Sienna + acrylic pre-loaded and calibrate to your tubes.

Open in mixer

New to browns? See what colors make brown, in plain terms.

Technique guides for this color

Related mixing guides

Pigment mixing is subtractive, so small ratio changes matter. The mixer refines this recipe to your brand and updates on the fly.