Albrecht Dürer watercolour pencil
dark indigo
Goldfaber Aqua watercolour pencil
ultramarine
light ultramarine
Albrecht Dürer Watercolour Marker
blue violet
cobalt blue
helioblue reddish
light blue
phthalo blue
skyblue
light phthalo blue
cobalt blue-greenish
middle phthalo blue
Albrecht Dürer Magnus watercolour pencil
indanthrene blue
Prussian blue
Tempera Art Studio 147 light blue x5
Tempera Art Studio 152 phtalo blue 5x
Goldfaber Aqua Dual Marker
Goldfaber Aqua dual marker