Rainbow Pixel Color by Number
A printable color-by-number mystery picture worksheet with a hidden rainbow picture. Color each square using the number key to reveal it. Great for preschool and kindergarten.
- Size
- US Letter (8.5 × 11 in), fits A4
- Vector, prints razor-sharp at any size
- PNG
- 2550 × 3300 px, 300 DPI
- License
- Free for personal & classroom use
About this coloring page
A printable color-by-number mystery picture worksheet with a hidden rainbow picture. Color each square using the number key to reveal it. Big squares and a short color key make it a good first color-by-number page. Color the bands in rainbow order: red, orange, yellow, green, blue, purple.
This page by the numbers
The picture has 126 numbered squares on a 14 x 9 grid, colored with 7 crayon colors. Light blue (number 3) fills the most squares: 30 of them. Blue (number 1) is used the least, with 8.
- 1 = blue: 8 squares
- 2 = yellow: 16 squares
- 3 = light blue: 30 squares
- 4 = white: 22 squares
- 5 = red: 20 squares
- 6 = green: 12 squares
- 7 = orange: 18 squares
Coloring ideas
- Try soft boho colors.
- Follow the color key exactly to see the mystery picture appear.
- Use markers for bold, even squares.
- Color one number at a time: find all the 1s, then all the 2s, and so on.
Printing tips
Download the PDF for the sharpest result and print at 100% (or “fit to page” on A4). The PNG is 300 DPI, which is handy for tablets and coloring apps. This page is free for personal, family and classroom use.