Three-Jar Colour Wizards — Every Colour from Red, Yellow and Blue

Give the child only red, yellow, blue and white paint and let them discover that every other colour they need can be made — then use their own home-mixed colours to paint a picture.

  1. Set out a small blob each of red, yellow and blue (plus white) on a plate or in an old muffin tin, a jar of water, a rag, and one brush. Leave plenty of empty space on the plate for mixing.
  2. Start with a question, not a recipe — “I wonder what happens if yellow visits blue?” Let the child pull a little of each into an empty spot and stir. Let them be the one who shouts “Green!”
  3. Teach the one studio habit that keeps colours clean: wash, wipe, dip — swish the brush in water, wipe it on the rag, then dip into the next colour.
  4. Go hunting for more: red + yellow, red + blue, then “a lot of yellow and a tiny dot of blue,” then a touch of white. Invite the child to name each invention (“pond green,” “sunset orange,” “bubblegum”).
  5. Dab each new colour onto a strip of paper as a “colour collection,” then ask, “Which of your colours do you want to use in a painting today?” and let them paint anything they like with what they mixed.
  6. At the end, look at the painting together and ask which colour they are proudest of and how they made it.

Variation: no paint? Mix with food colouring in water and droppers, overlap coloured cellophane or sweet wrappers on a window, or knead two colours of playdough together. Or set a matching challenge — “Can you mix the exact green of this leaf?”

Requirements

  • Space: A table top or a patch of floor covered with newspaper
  • Surface: A wipe-clean table, or outdoors on the ground; paper taped down so it does not slide
  • Materials: Washable poster or tempera paint in red, yellow, blue and white; plate or muffin tin as a palette; one brush; water jar; rag; paper; an old shirt as a smock
  • Participants: 1 child; an adult nearby to wonder aloud
  • Supervision: Light — stay close for the first mixes, then step back

Rationale & Objective

“Paints using multiple colors intentionally” and “uses 3+ colors purposefully” both depend on a child understanding that colour is something they control rather than something that comes out of a pot. Development Matters (the non-statutory guidance for the UK EYFS) asks adults to help children “explore colour and colour mixing” and, in the Reception year, to refine mixing so children can match the colours they see and want to represent. The Core Knowledge Sequence for kindergarten (Hirsch) introduces colour and line as the first elements of art, and Singapore’s NEL framework lists exploring colour and the other elements of art among its aesthetics goals. Because the child predicts, tests and names results, mixing is also a small science investigation — and the limited palette means the finished painting hangs together, which children notice and enjoy. The emphasis on the child’s own discoveries follows NAEYC’s guidance on process-focused art.

Progress Indicators

  • Early: stirs everything together into brown; surprised by results; uses colours straight from the blob; forgets to rinse the brush
  • Developing: reliably makes green, orange and purple and can say which two colours made each; rinses the brush with a reminder
  • Proficient: mixes a colour on purpose for a reason (“I need grey for the elephant”); adjusts a mix by adding a little more of one colour; uses three or more mixed colours deliberately in one painting
  • Advanced: makes lighter and darker versions of a colour, mixes browns and skin-like or leaf-like tones by eye, predicts results before mixing and explains the “recipe” to someone else

Safety Notes

  • Use washable, non-toxic children’s paint; check the label, especially on older or adult craft paints
  • Keep the rinse water away from drinking cups — a paint-water jar looks a lot like juice to a busy child
  • Wipe spills from hard floors straight away; wet paint is slippery
  • Mixing often ends in brown or grey — treat it as a discovery (“you found mud colour!”) rather than a mistake, or a cautious child may stop experimenting
  • If a child seems unable to tell certain colours apart (commonly reds and greens) across many sessions, mention it to your pediatrician or optometrist

Hints

  • Playfulness: be colour wizards or potion-makers — every new colour needs a magic stir and a name. Keep a “spell book” strip of the colours invented so far
  • Sustain interest: change the starting trio — one day only blue, yellow and white (a whole painting of greens), another day red, white and a dot of black (pinks to maroons)
  • Common mistake: putting out ten ready-made colours “to be helpful.” Fewer pots means more thinking; three colours and white is plenty
  • Limited space: put a spoonful of two colours in a sealed zip bag and let the child squish it against a window — all the discovery, none of the mess
  • Cross-domain: read Little Blue and Little Yellow (Leo Lionni) or Mix It Up! (Hervé Tullet) first; count “two brushes of yellow, one of blue” for early measurement; predict-then-test is real science
  • Progression: two colours at a time → all three secondaries → tints with white → matching a real object’s colour → planning a painting and mixing every colour it needs

Sources

  • UK Department for Education — Development Matters (non-statutory EYFS guidance), Expressive Arts and Design: “explore colour and colour mixing”
  • UK EYFS Statutory Framework — ELG Creating with Materials: “experimenting with colour, design, texture, form and function”
  • Core Knowledge Foundation (E.D. Hirsch) — Core Knowledge Sequence, Kindergarten Visual Arts: elements of art (colour)
  • Singapore MOE — Nurturing Early Learners (NEL) Framework, Aesthetics and Creative Expression learning area
  • Teaching Strategies GOLD — Objective 33 (explores the visual arts)
  • Bongiorno, L. (2014), “How Process-Focused Art Experiences Support Preschoolers,” Teaching Young Children (NAEYC)