Discolored

It's a bit discolored.

William's teeth were black and barely clinging onto his discolored gums.

Miroslav's foot became increasingly swollen and discolored in the hours following the centipede bite.

The director of conservation at The Museum of Fine Arts Houston, David Bomford, says restoration can sometimes involve removing discolored paint applied in past restorations.

Once again you see an in / Discolored skin gives you away

More sundry colours, then the proud Pauone / Beares in his boasted fan, or Iris bright, / When her discolourd bow she spreds through heauens hight.