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.
Blue is a departure from the consistent green color-scheme behind the original trilogy, indicating the fresh take on the franchise's setting, characters, and core narrative in the 2019 game.
Source: https://gamerant.com/call-of-duty-modern-warfare-3-red-theme-meaning/