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