You're better off using purple hair dye or blue dye over green hair to really counteract the green and give you a new purple shade or hue.
Red: Since green is opposite red on the color wheel, using a red dye can help counteract the green. This can be a vibrant red or a warm auburn. Copper or Orange: These shades can also effectively neutralize green tones, as they contain red and yellow undertones.
Red or Copper: Since green is opposite red on the color wheel, using a red or copper dye can help neutralize the green. A deep red or a vibrant copper can provide good coverage.
Green sits opposite of red on the color wheel, so when it's safe to color your hair again (wait at least two weeks), look for a warm brunette shade with reddish or golden undertones.
Color Correction Techniques:
One effective method is using a red-based color to neutralize the green. Applying a warm-toned dye can counteract the unwanted hue and restore your hair to a more natural shade.
Toning shampoos and conditioners are your best friends when it comes to fading blue or green stains. As well as cleansing and conditioning hair, they serve up a double hit of washing out and removing stains while also adding fresh pigment to neutralise unwanted tones.
Red is the colour opposite green on the colour wheel. This makes it the colour most in contrast with green.
A red color will cancel out the green but since it's teal you'll want to get an orange based red. Then you could go ahead and use a hair dye that's your color to match better with the rest of your hair. If you're trying to color the ends red then I'd second what Alyx said about using dish soap.
Go Back to Your Natural Color
Whether you opt for a new colorist or return to the original colorist for a re-do, opt for a shade that's not too far off from your own. "Using your roots as a guide, select a color shade as close as possible to your natural color," says colorist Richy Kandasamy.
In many cases, your light blonde hair may turn unnaturally gray, or even green, if you try to put brown dye on it. This is especially true if you are going more than two shades darker.
Color Oops Hair Color Remover
The product can remove hair dye that is too dark or it can remove wrong tones from lightened hair (for instance, if you bleached your hair but it has a green shade, it will remove the green tone while still leaving your hair blonde).
But can you believe it: IT WORKED! I generously smeared and combed the ketchup into my ends, wound my hair into a bun, gave my girls their bath for 20 minutes or so, then shampooed/conditioned, and just like that, the green slime was gone. My blond streaks were back and intact.
Its the same with using purple hair dye on green hair……. a little or light pigmented purple will make it more of a ugly blue green that might have a slight brown tone as any yellow in the green would go a dark blonde/light brown from the purple toning it……
The green should be neutralized with the color that is opposite it on the color wheel—red.
Heat opens the cuticle, which is the layer surrounding the hair fibre and is where the pigment hides. This'll help stubborn dye to leak out. Blue or green staining won't disappear in a few washes, though. It takes time, so enjoy all the different colour changes it goes through.
- Using a lighter color over your last hair color will not work and will create unnecessary stress to your hair. - You cannot inflict hair color over hair color on your hair or it may just break. Wait at least one month before dyeing your hair again.
Generally speaking though, it's best to wait 4-6 weeks before having another color treatment – in most cases, this is enough anyway and reduces the risk of hair damage. There are some exceptions, but in general, it's better to err on the side of caution and wait for this long.
Certain harsh chemicals in popular box dyes have given many stylists pause. Common concerns include: Ammonia - This mixing agent lifts cuticles to deposit colour but is quite drying over time. Peroxide - High volumes like 30+ developer cause more damage to delicate hair.
If you're trying to neutralize or tone out a shade, use the one directly opposite on the color wheel! In this case, pink and red tones will tone green. Pink Toning Conditioner is a red-leaning pink designed to take care of green and even teal tints!
To quickly remove green hair dye, wash with a clarifying shampoo and follow up with a color-correcting product. DIY remedies like baking soda can also help fade the green dye.
When you mix red and green, it may seem logical to assume that you'd get some sort of “Christmas color,” but that's not the case. Instead, their unique pairing creates a new and unexpected hue – brown! That's right, mixing the two primary colors of red and green together results in a warm and earthy brown color.
The best neutral colors to pair with green are soft beige, bright white and warm gray. These colors complement green by creating a subtle backdrop that allows the green to stand out without overwhelming the space.
Red & Copper Hues
According to colorist Lauren Grummel, “Red is the opposite of green on the color wheel, so it effectively neutralizes green tones in the hair.” This is why red-based shades like copper, auburn, and deep red work wonders to cover green without a trace.
Magenta absorbs its complementary color - green. Thus, green is subtracted from white light.