This command leads to the following submenu
Afbeelding 15.143. The “Components” submenu
Paragraaf 8.14, “Channel Mixer”
Paragraaf 8.15, “Compose”
Paragraaf 8.16, “ Decompose ”
Paragraaf 8.17, “Recompose”
This command is found in the image window menu under Colors → Components.