Pitt Artist Pen Fineliner S India ink pen
indanthrene blue
phthalo blue
Grip Finepen
0.4, helioblue reddish
0.4, light blue
Pitt Artist Pen Brush India ink pen
skyblue
Pitt Artist Pen Soft Brush India ink pen
dark indigo
ultramarine
ice blue
cobalt blue
light indigo