Pitt Artist Pen Fineliner S India ink pen
indanthrene blue
Albrecht Dürer watercolour pencil
phthalo blue
ultramarine
cobalt blue
light phthalo blue
helioblue reddish
light ultramarine
cobalt blue-greenish
middle phthalo blue
Pitt Artist Pen Brush India ink pen
light indigo
Goldfaber Aqua watercolour pencil
light blue
Pitt Artist Pen Soft Brush India ink pen
dark indigo
Goldfaber colour pencil
Polychromos colour pencil
152 middle phthalo blue
