No idea at all in the later stage? Basic knowledge of color matching

Three attributes of color

Hue Hue: Red, orange, yellow, green, blue and purple.

Saturation? Saturation: 100%? 80% 60%? 40%? 20%? 0%

Brightness? Brightness: purple-blue ultramarine? Indigo? Deep blue navy blue sky blue

Hue: the appearance of hue is different from the primary characteristics of various colors, and there are five basic hues: red, yellow, green, blue and purple.

Saturation: the brightness of a color. The bright color with high purity in the same phase is called "solid color", and the color with low purity is gray.

Brightness: Brightness is the brightness of a color. The brightness of any color will increase with white and decrease with black.

Original picture? The hue changes to cyan.

Original picture? Increase blue saturation

Original picture? Reduce the green brightness

Color ring

Complementary colors, contrasting colors, cold and warm colors

Complementary color: the color with 180 on the color phase ring is called complementary color, and the juxtaposition of complementary colors can cause a strong sense of contrast color.

Contrast color: A color with a central angle of120 is called a contrast color. When the two appear at the same time, it will cause a strong visual contrast on the same night.

Cold and warm colors: Hue can be roughly divided into warm colors and cool colors. Warm colors give people dynamic impressions such as liveliness and excitement, while cool colors reflect static impressions such as stability and comfort.

Red and blue complementary colors, blue and yellow complementary colors

Red-green contrast color, purple-green contrast color

Warm colors are active and energetic, while cool colors reflect lightness and tranquility.

red

RGB (red, green, blue)

Red+Green = Yellow

Red+blue = magenta

Green+blue = green

Red+Green+Blue = White

CMYK (cyan, magenta, yellow, black)

Cyan+magenta = blue

Magenta+Yellow = Red

Green+yellow = green

Cyan+magenta+yellow = black

Three optical primary colors: red, green and blue, abbreviated as RGB. The corresponding complementary colors are red and blue, green and magenta, blue and yellow.

The three primary colors of pigments: cyan, magenta, yellow and black, referred to as CMYK. CMYK is also called printing color mode. The biggest difference is that RGB is the color mode of screen display and light emission.