Grey advanced color

Quick answer：

Grey advanced color refers to a higher level or more sophisticated shade of grey. In design and fashion, advanced colors are often associated with more nuanced and complex tones. They are used to create depth and sophistication in visual compositions or to convey a sense of elegance or modernity. The term can also apply to the color theory and the psychology of colors, where grey advanced shades might be used to evoke different moods or emotions.