I used all Paul Mitchell color!
Highlights: 2 oz of synchro with 4 oz 20 vol
Roots: 1 oz 7n .5 oz 8n+ with 1.5 oz 20 vol
Midshaft/ends: 1.5 oz 7n pm shine with 1.5 oz processing liquid
Toner: 1.5 oz 8pn with 1.5 oz 5 vol
I did the highlight first, then while they were processing I went back in between each foil to do the roots-ends.