high-pitched color image

Quick answer：

A high-pitched color image typically refers to an image that has a high saturation of colors and a vibrant, lively appearance. This term could be used in the context of digital photography, graphic design, or art to describe a visual that is rich in color and has a strong, energetic feel. High saturation in color refers to the intensity of color, where higher saturation produces brighter and more vivid hues.