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
PG7 Phthalo Green + PY3 Arylide Yellow 10G1
- Williamsburg Handmade Oil Colors No. 6001103PW6 PG7 PY3LF II OpaqueSeries 337 ml tube · 150 ml tube · 8 fl oz can* · 16 fl oz can*About Williamsburg
PG36 Phthalo Green1
- Blockx Extra-Fine Oil Colours No. 212464
Sizes are the ones each line is sold in; marks a size only some colors come in. Check the store for a particular color.