scarlet

describes a very intense and shining shade of red

describes a strong, intense and clear shade of red

describes a very bright and striking shade of red

intensifying the state of being scarlet, often used with verbs like 'flush' or 'go' (e.g., she flushed bright scarlet)

to suddenly become red in the face

to become red in the face, indicating a change of state

to become red in the face, especially due to strong emotion like anger or excitement

to become red in the face, typically from embarrassment or shame

to have a bright red color, or for one's face to be bright red

used to specify the cause of turning scarlet (e.g., scarlet with embarrassment, with anger)