The best replacement for tone is mood.

The best alternatives to tone are rated as following:
★★★★★  mood
★★★  pitch
★★  voice
★★  bulk
★★  pulse
★  spasticity
★  pulse dialing
★  mood in literature
★  style
★  hue
★  attitude
★  value
★  expressive style
★  shade
  shape ups
  muscle strength
  mood powerpoint
  pulse phone
  easy tone
  mega shred
  mood ppt
  cool skin tone
  intonation
  informal tone
  color
  tone+
  ringtone
  timbre
  plant tone
  diction
  simply tone
  mac dre
  mode
  hair color
  theme
  mass
  pulse telephone
  cool tone
  gold plated

Your alternative for tone is not listed? Suggest!
Speaking about tone, one probably shouldn't forget about theme.

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



Google Trends

Scale is based on the average worldwide traffic of tone in all years. Click on graph for more.
tone
mood
pitch