This colour is meant to be cosy and relaxing just like contemplating nature in Ottawa during the fall season. Picking a sweet nuance of brown that recalls the beaver’s fur — national symbol of Canada — Castoro Ottawa shows a natural, discreet beauty.This colour is meant to be cosy and relaxing just like contemplating nature in Ottawa during the fall season. Picking a sweet nuance of brown that recalls the beaver’s fur — national symbol of Canada — Castoro Ottawa shows a natural, discreet beauty.