Color may not be the least of elements you notice in an image or a moving picture, but it's definitely not the first. Usually, one would either gander in awe or look away if an audience member does notice a palette. But to actually know the psychology behind colors is a pretty undermined knowledge. You'd usually have your cool blues and tones for horror movies to evoke suspense and mystery; red for love, intensity; yellow for joy and hopefulness; purple for royalty and solemnity, so on and so forth. All colors have feelings in them.
Here's a video essay on the psychology of color as well as a bonus commentary on Hollywood's use of blue-and-orange combo.
Preview image was taken from the video.