To add color to.
(Canadian spelling, acceptable) To convert black and white media to color by digital post production (as is often done in digital photography and in video special effects).
To make dark or darker in colour.
To become gloomy, darker in mood.
To render gloomy, darker in mood.
To cloud, obscure, or perplex; to render less clear or intelligible.
To become dark or darker (having less light).
To make dark or darker by reducing light.
To blind, impair the eyesight.
To become dark or darker in colour.
To be blinded, lose one’s eyesight.
To make foul; to sully; to tarnish.
To get dark (referring to the sky, either in the evening or as a result of cloud).