Use the same paper you color on
Markers look different on different paper. If you print pages, swatch on the exact paper you print on. If you color in a book, swatch on similar paper weight.
Make swatches that show real behavior
- One-pass swatch: shows lightest behavior.
- Two-pass swatch: shows saturation and darkness.
- Tiny blend strip: shows how it transitions to a neighbor color.
Turn swatches into palettes
Pick a base color family, add a shadow, add an accent. Repeat. Small palettes look more 'designed' than random rainbow coloring.
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