How to Mix Chromium Oxide Green in Watercolor

A dense, opaque, slightly grey green. Foliage without the buzz. This guide gives you the pigment ratios that land on #4B6A3B in watercolor, using the same solver that powers the Chromilla mixer.

Target

Chromium Oxide Green

#4B6A3B

Mixed result

99% match

From these pigments

#4B6A3C

Pigment recipe

Checked August 2026

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

1. Yellow Ochre
PY43
54%
2. Ultramarine Blue
PB29
41%
3. Phthalo Blue
PB15
5%

What colors make Chromium Oxide Green?

Yellow Ochre, Ultramarine Blue, and Phthalo Blue, in roughly a 54:41:5 ratio.

How to make Chromium Oxide Green in watercolor

Start with Yellow Ochre at about 54% as your watercolor base, then work in Ultramarine Blue and Phthalo Blue in the order above. Adjust in 5% steps until the swatch reads #4B6A3B.

Why mix Chromium Oxide Green instead of buying it

Mixing Chromium Oxide Green yourself lets you approximate an expensive or hard to find tube from pigments you already own, match Chromium Oxide Green 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

That pigment is a very strong tinter, add it a touch at a time or it will swallow the mix.

Get this recipe for your paint brand

Open the live mixer with Chromium Oxide Green + watercolor pre-loaded and calibrate to your tubes.

Open in mixer

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.