Levels
Tone
Color Types
Formulation
Correction
100

What level is black?

1

100

What neutralizes yellow?

Violet

100

What color lasts 1-2 shampoos?

TEMPORARY

100

What developer is deposit only?

10 volume

100

Yellow hair

Violet toner

200

What underlying pigment is at a level 2?

blue violet

200

What neutralizes orange?

Blue

200

What color doesn’t require developer?

Semi permanent

200

What developer gives the most lift?

40 volume

200

Orange hair

Blue toner

300

What level is darkest brown?

Level 2

300

What cancels red?

Green

300

Gray blending but does not fully cover?

Demi permanent 

300

What is a good toner color for ashy blondes?

CB, P, UTP, UTA
300

What shampoo can strip color to go lighter?

Shampoo two, three, Tea Tree

400

What is the dominant pigment at a level 9?

yellow

400

Name a warm tone

Gold/copper/red

400

What lifts and deposits?

Permanent

400

What is a good toner for warm blondes?

WB, NB, G

400

Chlorine turned hair green

Red toner

500

What underlying pigment is at a level 5?

Red orange

500

If hair is too ashy, what do you add?

Warmth (gold/red)

500

Low committment and shine?

Demi permanent

500

What is the ratio for lightener and color?

1:2, 1:1

500

Holidays/ bleed marks 

Tap natural root color on holiday/ bleed marks