The basic concept of Color

I. The basic concept of Color:

1. Primary colors

Red, yellow and blue are the three primary colors.

They are the most basic three colors, which can not be changed with pigment.

But these three colors are the primary colors that modulate the other colors.

2. Light source color

The light emitted by various light sources forms different light colors, which are called light source colors, such as sunlight, sky light, white weave light, light of daylight fluorescent lamp and so on.

3. Natural colors

The color presented by objects under natural light is called the natural color. However, under the influence of certain light and surrounding environment, the natural color of the object will have a slight change, which should be paid attention to while observing.

4. Ambient color

The color of the light source is diffused by various objects in the environment to show a color consistent with the environment.

5. Three elements of color: Hue, Brightness, Purity

Hue: refers to the facial features perceived by human eyes.

The initial basic hue is: red, orange, yellow, green, blue, purple.

Brightness: refers to the brightness of the color.

All colors have their own brightness, and there are also differences in brightness between different shades of color.

Purity: refers to the brightness and shade of color.

6.Homogeneous colors

 A series of colors with different tendencies in the same hue is called homogeneous colors.