I got 19/20. Turned off True Tone and cranked the screen brightness. Half the time I didn’t know if it was just my eyes playing tricks on me, but it was interes

I got 19/20. Turned off True Tone and cranked the screen brightness. Half the time I didn’t know if it was just my eyes playing tricks on me, but it was interesting to notice how the colors seemed completely indiscernible for a few seconds and then suddenly one stood out.