Brown is not on the color wheel, which is exactly why it is mixable from almost anything: every brown is a muted, darkened orange. Get orange-ish, then knock it back. All three classic recipes below are versions of that one idea.
The three recipes
1. Complementary pairs (the painter's default). Mix a color with its opposite and the result collapses toward brown-grey: red + green, orange + blue, yellow + purple. Red + green gives warm chestnut browns; orange + blue gives the most controllable range, from leather to coffee; yellow + purple runs muddy-olive. Start roughly 50/50 and adjust — more of the warm side pushes toward rust, more of the cool side toward taupe.
2. All three primaries. Red + yellow + blue in uneven parts makes brown, because you are really making orange (red + yellow) and then muting it with blue. Heavy yellow gives tan and ochre; heavy red gives mahogany; heavy blue drags it toward sepia and near-black.
3. Orange + black (the shortcut). Fast, but black deadens as it darkens — mixes go flat and cold. Swapping the black for dark blue keeps the shadow color alive; it is the difference between mud and espresso.
Steering the result
- Warmer (leather, rust): add red or orange.
- Cooler (taupe, driftwood): add a touch of blue.
- Lighter (tan, buff): add yellow or bone — white alone makes beige go chalky and pink.
- Richer/darker: add dark blue or purple rather than black.
Take the guesswork out
Ratios in paint never behave quite like ratios in theory — pigment strength varies wildly between bottles. The paint mixing calculator exists for exactly this: pick the two paints on your desk and it shows the actual color the mix produces before you commit paint to palette. And if the brown you are chasing already exists in a bottle, the conversion charts will tell you — every catalog brown across twelve brands is swatched, starting from the Citadel paint chart.
Why mixing brown matters on miniatures
Brown is the workhorse of the tabletop: leather straps, wooden hafts, mud bases, hair, rust. A model can dodge purple forever; it cannot dodge brown. Being able to mix one from any base set — and repeat it next session, which is where a wet palette earns its keep — is the first mixing skill worth having.