colors of the same hue

Quick answer：

Colors of the same hue refer to shades that have the same dominant wavelength of light, resulting in them appearing similar in color. In the context of design, this principle is often used to create a harmonious and cohesive look. In color theory, hues are the pure colors that can be mixed to create other colors, such as red, blue, or yellow. When discussing colors of the same hue, it typically involves varying the brightness or saturation to create different shades or tones within the same color family.