Gouache still life

Bright skin color is the light-receiving surface directly illuminated by light, and it is the brightest and whitest part of color tone. Include light source color and intrinsic color.

Dark skin color includes light and dark boundaries, reflection and projection. It is very important to observe, compare and express the three as a whole. Dark colors include intrinsic colors and ambient colors.

Indoor light is mainly window light or fluorescent lamp, which is cold. Therefore, the bright side of the object close to the light source will definitely be cold, and the dark side will be warmer. If it is incandescent, it is warmer, so it is bright, warm and dark.

"A yellow fruit is placed on a green cloth in the cold light": the bright part is yellow+white+a little blue, the gray part is yellow, the dark part is yellow+ochre, and the reflective part is yellow+ochre+green.

Lemon yellow is colder than yellow green.