1. An image-processing device comprising: a color storage unit that stores a range of a color within a color space; an effect storage unit that stores a plurality of types of effects to be applied to an image; an obtaining unit that obtains image data; an area extraction unit that extracts an area having a color falling within the range of the color stored in the color storage unit, in an image represented by the image data obtained by the obtaining unit; an effect extraction unit that extracts from the image an effect applied to the image represented by the image data obtained by the obtaining unit; an effect data obtaining unit that if a type of effect extracted by the effect extraction unit is included in the plurality of types of effects stored in the effect storage unit, obtains effect data representing a type of effect selected from among the plurality of types of effects stored in the effect storage unit, excluding the type of effect extracted by the effect extraction unit; and a generating unit that generates image data representing an image in which an effect of the type represented by the effect data obtained by the effect data obtaining unit is applied to the area extracted by the area extraction unit.