Mixing guide
How to fix paint that's too dark, too bright, or muddy
By Marco, painter and founder of chromilla · Last checked August 2026
Muddy paint usually means too many pigments fighting each other; rebuild with just two pigments plus white. Too dark: lift with white or with a transparent version of the base color. Too bright: knock saturation back with a small touch of the complement, not black. Not sure which of these your mix has? Mix Correction samples your mix and the target and tells you exactly what to add.
Step-by-step
Diagnose the failure mode
Muddy = low saturation, low contrast. Too dark = correct hue but low value. Too bright = correct hue but too saturated for the target.
For muddy: restart with two pigments
Wipe the brush, scoop a fresh blob of the dominant pigment, add the modifier in tiny steps. Three pigments are the absolute max before mud sets in.
For too dark: tint up
Add Titanium White in 5% steps. If the hue shifts, re-tint with a tiny dot of the original pigment to recover saturation.
For too bright: neutralize
Add 1–3% of the complement (red for green, orange for blue, yellow for purple). Stop the moment the buzz drops.
Try it on your tubes
Use Mix Correction to fix a mix
Sample your current mix and the target: Chromilla returns a one-step correction recipe.
Open Chromilla →Frequently asked questions
- Can I save a muddy mix on the canvas?
- Scrape back to a thin layer with a palette knife, let dry, then glaze a transparent layer of the correct hue over the top. Direct repainting over wet mud just spreads the problem.
- Why does my mix keep going gray?
- You're mixing complements. Red + green, orange + blue, yellow + purple all neutralize toward gray. Either commit to gray, or replace one pigment with an analogous color.