2 different recipes. Brands sell different pigment mixtures under this name, so they won't all look or mix alike. Compare the pigments below.
Who makes it
PB15 Phthalo Blue + PG7 Phthalo Green1
- PB15:3 PG7 PW6 PW4LF I OpaqueSeries 240 ml tube · 60 ml tube* · 225 ml tube · 1000 ml can*About Michael Harding
PB15 Phthalo Blue1
- Maimeri Puro Oil Colours No. 431
Sizes are the ones each line is sold in; marks a size only some colors come in. Check the store for a particular color.