The best replacement for highlight is lowlight.

The best alternatives to highlight are rated as following:
★★★★★  lowlight
★★★  behold
★★★  full highlight
★★★  hilight
★★★  color hair
★★★  lowlights
★★★  dye
★★  highlight
★  partial highlight
★  bigen
★  samsung behold
★  tap
★  full color
★  dye hair blonde
★  dye hair first
★  highlite
★  not to highlight
★  dye hair
  t-mobile tap
  nokia nuron
  dye my hair
  color gray hair
  hair color
  low light

Your alternative for highlight is not listed? Suggest!
Speaking about highlight, one probably shouldn't forget about brown hair.

Other search terms related to highlight and their ratings are:
★★★★★ brown hair
You have in mind a companion for highlight and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of highlight in all years. Click on graph for more.
highlight
lowlight
behold