Watercolor & gouache
Gouache vs watercolor: what actually changes on the page
Gouache vs watercolor compared at the brush: light and transparency, working order, corrections, paper, drying shifts and when to combine them.
Greta Moberly
Greta writes about washes, glazes and opaque color, and about the patience it takes to let a sheet dry before touching it again.
Watercolor & gouache
What gouache is, and how it behaves on paper
Gouache is opaque watercolor: the same gum arabic binder, more pigment and often a white filler. Here is what that means once it touches paper.