Pitt Artist Pen Brush India ink pen
ultramarine
ice blue
cobalt blue
light indigo
phthalo blue
skyblue
Polychromos colour pencil
120 ultramarine
144 cobalt blue-greenish
137 blue violet
146 skyblue
143 cobalt blue
157 dark indigo
110 phthalo blue
140 light ultramarine
145 light phthalo blue
152 middle phthalo blue
Pitt Pastel pencil
light ultramarine
dark indigo
Polychromos pastel
blue violet
light phthalo blue
helioblue reddish
Prussian blue
indanthrene blue
Albrecht Dürer watercolour pencil
middle phthalo blue
Goldfaber Aqua watercolour pencil
151 helioblue reddish
247 indanthrene blue
246 Prussian blue
