Usage patterns
〈物〉が鮮明だfor something (an image, memory, etc.) to be vivid/clear
The colors in that photo are vivid and clear.
〈事〉を鮮明に覚えているto remember something vividly
I still vividly remember what happened that day.
鮮明な〈物〉a clear, sharp image/footage/etc.
This camera can capture sharp, clear footage.
〈事〉が鮮明になるfor something to become clear/distinct
As the investigation progressed, the truth of the case became clear.
