I hope you enjoy this gouache demo. The miraculous pen that I rave about in it is a Pilot FriXion erasable pen. If you’d like to paint along, grab some watercolor paper, your hair dryer, a pencil, brushes, water, and gouache. These are the colors I used:
burnt sienna
burnt umber
flame red
naples yellow
viridian
brilliant green
ultramarine blue
Paynes grey
white
T…