1, hue: light champagne is a soft hue, which is between white and orange, and prefers white. Gray is a neutral tone, with no obvious bias, which is more calm than light champagne.
2. Brightness: light champagne has high brightness and looks brighter, while gray brightness is relatively low and looks dim.
3. Saturation: Light champagne has high saturation and full color, but low gray saturation and light color.