What are the concepts of warm-tone photos and cool-tone photos?

/Warm colors refer to red, orange, yellow and green, cool colors refer to cyan, purple refers to neutral light, three primary colors refer to red, green and blue, three primary colors refer to magenta, navy blue and lemon yellow, and three primary colors refer to colors that cannot be mixed with other colors. Warm photos can bring people a warm, exciting and positive feeling, while warm photos can give people a warm and positive attitude towards life. (orange refers to the warm pole, indicating the hue that gives people the warmest feeling. ) cool colors can give people the feeling of being cold, empty and far away. (The sky blue is the cold pole) Cool colors and warm colors also have a sense of advance and retreat (the sense of advance and retreat gives people a sense of prominence or distance in the photo, that is, a sense of distance). Have a sense of progress (solid color, high contrast color, high brightness, warm color, large area color concentration) and a sense of retreat (turbid color, low contrast color, low height, cold dispersion color). If you are interested in photographic pigments, you can buy a complete set of photographic pigments.