Hue refers to the experience of a chromatic color such as red, green, yellow, or blue or combinations of these colors.

In the psychology context, hue refers to the attribute of color perception that distinguishes one color from another. It is one of the three main attributes of color perception, along with saturation (the purity of the color) and brightness (the intensity of the color).

Hue is often described using a color wheel, which is a circular representation of the colors of the spectrum. The colors on the wheel are arranged in a specific order, with red, yellow, and blue at the primary positions, and green, orange, and purple at the secondary positions. The colors in between are created by mixing the primary and secondary colors.

Examples of hue in psychology could include studies on the effects of color on mood or behavior. For instance, research has shown that different hues can have different psychological effects on people. Blue, for example, is often associated with calmness and relaxation, while red is associated with excitement and stimulation.

Another example could be research on color perception in different cultures. Studies have shown that the perception of hue can vary across cultures, and that certain colors may have different symbolic meanings in different parts of the world. For instance, in Western cultures, the color black is often associated with mourning or sadness, while in some Asian cultures it is associated with power and strength.