Watercolour paints are relatively all transparent, they make it possible to create a transparent picturesque layer through which white paper works. The rays of light, reflecting from its surface, seem to illuminate the painting itself, from which it seems so luminous to us.
Translucent, Opaque, and Transparent Materials
Transparent Opaque Gradient Nails · How To Paint A Gradient Nail · Nail Painting on Cut Out + Keep
HISTORICAL BACKGROUND
TRANSPARENT, SEMI-TRANSPARENT, OPAQUE PAINTS
Transparent vs opaque colours – Sandrine Maugy
How to Select a Stain Opacity — McCormick Painting Services
Transparent and Opaque Watercolor by RiEile on DeviantArt
WATERCOLOR TECHNIQUES
Still life with watermelon and grey drapery. Demonstration by Elena Bazanova.