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