How to make your own paint by numbers
- Pick a photo with a clear subject and good light. Pets, portraits, landscapes, houses and flowers all work well.
- Choose the number of colours and the detail level. The numbered outline updates so you can compare settings.
- Check all three views: the numbered outline you’ll paint, the painted preview of the finished picture, and both together.
- Download the PDF: page 1 is the numbered outline; page 2 is the colour key with a painted preview.
- Print and paint: print on thick paper, or have the outline printed on canvas, then fill each area with its numbered colour.
Choosing colours and detail
| Who is painting | Colours | Detail | Paper |
|---|---|---|---|
| Young children | 6–10 | Low | A4 or Letter |
| Older kids, relaxing evening project | 10–16 | Low or medium | A4 / A3 |
| Adults, realistic result | 16–24 | Medium | A3 or canvas print |
| Experienced painters, portraits | 24–36 | High | A3 or larger canvas |
More colours and more detail look closer to the photo but mean more areas, more paint pots and more hours. The tool shows how many areas each setting produces.
How the template is made
First the photo is reduced to the number of colours you chose, by grouping similar colours in the CIELAB colour space (which follows how our eyes see colour differences). Then the edges are smoothed and specks removed, and any area too small to paint comfortably is merged into its neighbour. Finally the outlines are drawn and each area’s number is placed at its widest point, where it’s easiest to read. In the PDF the numbers are real text, so they stay sharp at any print size.
Painting tips
- Acrylic paint is the usual choice: it dries fast and covers the printed lines and numbers. Light colours may need two thin coats.
- Mix each colour once, enough for the whole picture, and keep it in a small lidded pot so every area of that number matches.
- Work from dark to light and from big areas to small ones; use a fine brush for small areas and edges.
- Faint colour hints (in the settings) print a very light tint of each colour inside its area, which makes it easier to see where you are.
Frequently asked questions
How many colours should I choose?
Kids and beginners: 6–12 colours with low detail. Adults: 16–24 colours at medium detail give a realistic result. Above about 30 colours the areas get very small and mixing matching paints takes a long time.
What does the detail setting do?
It sets how finely the photo is divided. Low detail makes big areas that are easy to paint and suits children; high detail keeps small features such as eyes but creates many tiny areas.
How do I get the right paint colours?
The key gives each number a colour swatch, a plain name and a hex code. Mix acrylics to match the swatch, or take the hex codes to a paint shop that mixes colours. Print the painted preview to compare as you go.
Can I print it on canvas?
Yes. Download the PDF or the outline PNG and have it printed on canvas or thick paper at a print shop, or trace the outline onto canvas with transfer paper. A3 gives larger areas that are easier to paint.
Why are some areas very small?
Areas smaller than a set size are merged into their neighbours, but fine details such as eyes stay as small areas. Lower the detail or the number of colours if there are too many tiny ones.
Is my photo uploaded?
No. Everything is calculated in your browser.
Last updated 2026-10-19.