Grey of Grey
PBk6 + PW6
Manufacturer
Rockwell
Range
Classical Watercolor
Color no.
GRG17
Color family
Black / Gray
Transparency
Semi-transparent
Lightfastness
★★★★★ Excellent
Single pigment
No
Color values are computed from the pigment composition and are indicative only. They are no substitute for a real color chart. · rockwellart.global – Classical Watercolor Tubes (product data, 2026-09-25)