Cobalt Blue
PB28
Manufacturer
Old Holland
Range
Classic Watercolours
Color no.
250
Color family
Blue
Transparency
Opaque
Lightfastness
★★★★ Very good
Granulation
Yes
Price group / series
Series E
Single pigment
Yes
Color values are computed from the pigment composition and are indicative only. They are no substitute for a real color chart. · Old Holland Classic Watercolours — Colour Chart