Continuous color contrast of packaging pigments

(1) At the same time, the color contrast within the same visual area is called the contrast of the color. In this case, the color comparison, set off, exclusion and influence are interdependent. If a small piece of gray is painted on yellow paper, the stronger the feeling, the so-called complementary color misinterpretation. Another example is to paint a small gray box on a black paper and apply a gray box of the same area and depth to the white paper. At the same time, the contrasting visual feeling is that the gray on the black paper is brighter and forms a so-called lightness illusion.
(2) Color contrast occurs at different times and different visual fields, but it also maintains rapid time continuity. Natural numbers are the continuous contrast of colors.
When the human eye looks at the first color and then looks at the second color, the second color will be falsified. The longer the first color, the greater the impact. The misunderstanding of the second color tends to be the complement of the previous one. This phenomenon is caused by the visual residual image and the instinct of visual physiology and psychological self-balancing.
For example, the operating room environment in the hospital and the surgical doctors and nurses' uniforms are all blue-green, apparently to “neutralize” the red blood, and clever use of the continuous contrast of colors allows the doctor to look at the blue-green and not only reduce and restore vision. The fatigue, at the same time easier to see the small blood vessels, nerves, etc., which helps to ensure the accuracy and safety of the operation.