Pitt Artist Pen Brush India ink pen
light indigo
phthalo blue
Albrecht Dürer Watercolour Marker
ultramarine
dark indigo
indanthrene blue
Pitt Artist Pen Calligraphy India ink pen
Pitt Artist Pen Soft Brush India ink pen
Ecco Pigment Fineliner
0.7 mm, blue
0.3 mm, blue
Pitt Artist Pen Dual Marker India ink
ice blue