Single pigment art materials with FR14 and their properties
Using the filters you can narrow down these statistics to art mediums.
Lightfastness
Not all brands specify lightfastness
Opacity
Not all mediums and brands specify opacity
Staining
Only some watercolor brands specify staining
Brands use their own ratings and notations for their products. (As seen on brand pages and in lists.)
To be able to compare their different properties, we needed to choose or establish a system and normalize for that.
Numbers here are a result of this and are just an approximation and should be used accordingly. (You can get a general idea of pigment properties in different mediums.)