Pitt Artist Pen Metallic 1.5 India ink pen
blue metallic
Pitt Artist Pen Brush India ink pen
dark indigo
ultramarine
indanthrene blue
Albrecht Dürer watercolour pencil
skyblue
Prussian blue
Polychromos colour pencil
110 phthalo blue
140 light ultramarine
145 light phthalo blue
247 indanthrene blue
246 Prussian blue
Pitt Artist Pen Fineliner S India ink pen
Jumbo Grip colour pencil
Ocean blue
phthalo blue
ice blue
cobalt blue
120 ultramarine
144 cobalt blue-greenish
146 skyblue
151 helioblue reddish
143 cobalt blue