One can't be sure, but the portraits look to be tinted.
Three portraits looked like the daughter, mother and granddaughter of the same family.
His portraits, with pitch black hair and, more often than not, blue eyes, looked nothing like him.
This portrait, for instance, will look better when the eyes are slanted.
The third portrait looked to have been done much more recently than the others, and showed the effects of Jocasta's failing eyesight.
The portrait now looks harsher, and a shaken Dorian has it locked away in his old school room.
The portraits before which we stand in admiration looked hasty and unfinished to his contemporaries.
But whose colour-print portrait was hanging over his bed and looking at him?
At a distance, his portraits looked like normal human portraits.
This sales pitch became a scam when the portraits never looked like the subjects.