From personal experience last week in the B.C. Selkirks, the cougar's eyes glowed yellow/gold when my headlamp caught it at about 30 meters distance. I used bear spray to send it fleeing.
Most cougars hunt at night because their nocternal
green
At night, yes. In the dark, no. Color is just what we see, the amount of light reflecting off of an object. without light color does not exist.
A White light
White, using your anchor light. A High point with 360 degree white light.
The color of the sky, temPerature, light
White
White
Red
white light
you must have at least 1 white light
because she didn't want to get caught in broad day light