IMAGE PROCESSING DEVICE, AND IMAGE PROCESSING METHOD

An image processing device comprising: an information acquisition unit (41) configured to acquire outside information including color information of outside of a vehicle; an image generation unit (42) configured to generate, based on the outside information, a first image in which a difference in the color information with respect to the outside of the vehicle is within a predetermined range; and an output unit (43) configured to output the first image to a display (3) provided in a cabin of the vehicle.