What does reverse color mean?

Processing method of converting image color mode into complementary color image color.

Flip all the colors in the picture. Reversing the color will reverse the original color value, so that the original bright color becomes darker, the darker color becomes brighter, red becomes cyan, green becomes magenta, and blue becomes yellow. Color inversion is often used in image processing software to produce unique visual effects. Change the hue and contrast of the image to obtain a completely different color effect from the original image. Inverted color is widely used in the fields of artistic creation, image processing and design, which brings novel visual experience to works.