Albrecht Dürer watercolour pencil
skyblue
dark indigo
Prussian blue
indanthrene blue
phthalo blue
ultramarine
blue violet
cobalt blue
light phthalo blue
helioblue reddish
light ultramarine
cobalt blue-greenish
middle phthalo blue
Albrecht Dürer Watercolour Marker
Goldfaber Aqua watercolour pencil
light blue
