Ordinary, non-metaphorical, exemplification is unproblematic. All of the instances of exemplification considered so far are non-metaphorical. The paint chip literally can exemplify the property of being teal since it literally is teal. The banana literally exemplifies bananahood since it really is bananoid.

The way before him was little more than a bridle-path along the earth […] . The soft blue tufts of the ageratum were on each side continually.

Mixt Dance, or wanton Mask, or Midnight Bal, / Or Serenate, which the ſtarv'd Lover ſings / To his proud fair, beſt quitted with diſdain.

To Dinka youth, cattlewealth has an aesthetic significance far above its material value.