Painting
Stretch a paper sheet, choose your palette

Which palette to choose to mix its colors?

Not too complicated topic, short review.

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How to make the gray sing, shading the underlying colors?

Starting from the 2 grays present in watercolor, we go towards the color revealed by the grays.

A sheet of watercolor paper has the naughty propensity to warp due to moisture. The remediation in a few words.