Art Spectrum® Permanent Van Dyke Brown Oil. Van Dyke Brown originated in 17th century Europe.
Art Spectrums modern version is semi-transparent with excellent permanence and lightfastness.
| Pigments | Lightfastness | Permanence | Transparent/Opaque |
| PBr7, PR101, PBk7 | ASTMI | **** (excellent) |
Semi-Transparent |
ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.
