The Info submenu contains operations that give you color related information about your image.
You can access this submenu from the main menu through Colors → Info.
The submenu contains the following commands:
Section 8.50, « Histogramme »
Section 8.52, « Moyenne du bord »
Section 8.51, « Exporter l’histogramme »
Section 8.53, « Palette lissée »