Green cancels out red, blue cancels out orange and violet cancels out yellow. ... Otherwise you could get incorrect color results (for example, getting green hair after using a blue toner!)
Can toner make your hair go green?
If your hair turned green after using toner, you may have left it in longer than recommended or mixed incorrect amounts of toner and developer. Fixing this issue is easier than you might think: simply apply a dye with red tones.
What toner cancels out green?
Blue is the opposite of yellow/orange. Blue will neutralize yellow/orange. Red is the opposite of green. Red will neutralize green.
What toner cancels out orange in brown hair?
Color Extend Brownlights is a color-depositing, blue-toning shampoo and conditioner that neutralizes unwanted orange and brassy tones in brunette hair. For color-treated brunettes, it can be used immediately after a color service, and Dupuis also advises using it daily as maintenance.20 feb 2020
Why did my hair tone green?
Green tones are seen where there is a lack of red or warmth in the hair. A lack of red or warmth in your hair colour can allow green tones to appear, and this is often the root cause of visible green tones. Here's a few hair situations which can lead to visible green.