"Right after I dyed my hair blue, my dog saw it for the first ... They can primarily distinguish between blue and yellow, while shades of red and green appear more like browns and grays.

Like a bad spray-tan, hair ... yellow on the color wheel—meaning that purple essentially acts to cancel out the overly-yellow shades that can crop up in dyed blonde hair. The same goes for blue ...

Photographs of Stanislav Netesov posted online show the 25-year-old's close-cropped hair coloured bright blue, green and yellow ... He said he has dyed his hair bright colours for years.

In general, blondes should use purple shampoo, redheads should use green and brunettes should choose a blue shampoo ... the hair (to an extent) but also cancel out unwanted yellow tones and ...

Although I never joined the band of cool kids who dyed their hair bright orange or green during middle school ... that color to either red-orange or yellow based on your natural level." ...

red‒green axis, and yellow‒blue axis — but we have not had a technique that quantifies what is happening with the dye in the hair fibre. Using high-performance liquid chromatography on ...

If you’re going from blonde back to black, you really need to leave the dark dye on for a long time. Otherwise, when it starts to fade, your hair turns green. Also, to prevent damage ...

According to Oliveira, the tradition of dyeing his hair ... it blue. Let's all dye it pink.' They were incredulous, and I said, 'Pink or red.' They suggested green, and I replied yellow.