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Free interactive colour tool
Hi, I’m Richard Robinson. The Gamut Mask is the simplest way I know to choose colours that always work together — no more muddy palettes or guesswork. Play with my free tool below, then I’ll show you how to really make it sing.
Have a play
Drag the wheel to rotate it, pick a mask shape, and watch a perfectly harmonious palette appear. It’s free, and it’s yours to use as often as you like.
Drag the outer edge of the colour wheel to rotate it and tap a mask shape to see your palette — works on phone, tablet or desktop.
Loved the tool? Let’s find the perfect painting to practise colour on.
Take the free painting quiz to choose one lesson and receive a personalised plan for seven days after email confirmation. No card or automatic billing; membership is optional at $37 USD/month or $347 USD/year.
One selected lesson · seven-day plan · no card or automatic billing
Prefer a guided group project? The separate workshop is a $37 USD one-off purchase: See workshop details.
See it in action
First I designed an image with a limited value study. Then I decided my most powerful colour would be the orange in the foreground, and I made a triangular mask with yellow-orange as the dominant colour, supported by a greyed red and a greyed green.
Then I removed every other colour from my palette so I wouldn’t be tempted to dip into them — and painted the first little study. Satisfied with that, I made two more. Each painting is harmonious, yet each has its own mood. That’s the magic of the gamut mask: it makes “colours that go together” almost automatic.
Watch
Here’s how I use the gamut mask to plan a harmonious palette before I even pick up a brush.
Free download
Prefer something for the studio wall? Download and print the gamut mask to use beside your easel.
Download the printable PDFReady to actually master colour?
A tool helps once. A clear next step helps you keep going. Take the free quiz for one selected painting lesson and a personal seven-day plan, activated after you confirm your email.
No card or automatic billing. Optional membership is $37 USD/month or $347 USD/year. The guided group workshop is separate: $37 USD once.
“Mastering Color covers all of the main points with clarity and straight talk. It’s practical and down to earth and easy to understand. The mind boggles when I think of how many painters can use this.”
Robert GennOne of Canada’s most accomplished painters
“I’ve invested in so many online art courses over the years, but nothing comes close. The clarity of Richard’s instruction and the caliber of the final paintings are genuinely unmatched.”
L Heinlein, USA
“I used to feel intimidated by the thought of painting, but these step-by-step lessons remove all the guesswork. I’m finally painting regularly and I love what I’m creating.”
Julie Whitehall, Australia
Ready to find your next painting?
Answer a few friendly questions, then confirm your email to activate one selected lesson and a personalised plan for seven days. No card or automatic billing.
Membership is optional at $37 USD/month or $347 USD/year. Prefer a group project? The separate $37 USD one-off workshop.
