Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
That's because, by default, it has multiple layers of post-processing that deviate from what the filmmaker intended.
Source: https://www.slashgear.com/1181480/settings-on-your-oled-tv-that-are-ruining-your-viewing-experience/