Can I put green hair dye on top of blue? This means that these colours counteract each other and can get rid of any unwanted tones in your hair. Blues and brown also cancel green colours with their cooling pigments. To cover up green hair, the colours you should try are: Blue – midnight blue, pastel shades, electric blue.
How do you dye blue hair green?
Will my hair go green if I dye it blue? Blue hair dye is really striking, but also a bit high-maintenance. Unfortunately, your blue hair can fade into an unwanted green hue over time.
Why does blue hair go green? Chlorine and salt water can both add a green tint to your hair hue, says Kiyah. You can get the green out through a treatment mask, clarifying shampoo — or, weirdly, ketchup or tomato juice. To avoid this issue from the get go, try putting on a color-preserving conditioner before you go swimming.