Go for highlights or a brass break.if you aren't majorly gray, getting highlights might be the best option for you.
10+ Highlights To Hide Gray On Dark Hair
Background. Her dye job makes the contrasting shades work because of the addition of silver and medium grey. First, can lowlights actually cover gray hair?
15 best Blonde Highlights for Gray Hair Ideas images on ... from i.pinimg.com
It takes time and it's a process to cover the grays in that way by lifting the color. Remember that gray hair looks better with light tones, so consider bleaching or making highlights. The hair dye will color anything porous that it touches.
Silver and grey highlights on black hair.
Nevertheless, a time will come when your hairline starts to look strangely mousy and your highlights seem more yellow than blonde. It might sound counterintuitive, but hair experts recommend actually adding color subtly to make the transition to growing out your natural hair and going gray more seamless. The hair dye will color anything porous that it touches. It's because white and gray blend so well with blonde.