GIF vs Gamma-less PNG

Clash or Match?

GIF
PNG no gamma

The backgrounds of the two stacked images above should be identical.

Results (~2004)

Passed Failed
When gamma information is unavaible, these browsers simply render PNGs like any other non-color-corrected images. These browsers make a "guess" of the missing gamma of the PNG, creating color mismatches.
  • IE4+/win
  • Gecko since 1.0
  • IE5/mac
  • Opera7+/win
  • Opera6+/mac
  • Konquerer
  • iCab
  • Omniweb
  • Safari v1.2.3
  • Opera6/win
  • Opera5/mac

additional source: Henri Sivonen's CSS/PNG Gamma Consistency Test Results