Art Spectrum® Oxide of Chromium is a richly organic mid-green, this colour is produced using a pigment made from the metal element Chromium, which was named after the ancient Greek word for colour, or χρώμα .
| Pigments | Lightfastness | Permanence | Transparent/Opaque |
| PG17 | ASTMI | **** (excellent) |
Opaque |
ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.
