Art Spectrum® Sapphire Blue is an intense blue-green colour. It is a transparent pigment. Great for landscapes.
| Pigments | Lightfastness | Permanence | Transparent/Opaque |
| PB 15:3, PG7 | ASTMI | **** (excellent) |
Transparent |
ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.