1. A method for segmenting a color image composed of pixels, comprising the steps of: selecting a color which represents a region to be segmented of the color image; providing the colors assigned to the pixels and the selected color in accordance with a first color model based on three color stimuli; determining a clearance for each of the pixels, which represents a distance between the selected color and the color of the corresponding pixel in accordance with the first color model; providing the colors assigned to the pixels and the selected color in accordance with a perception-oriented second color model, for which purpose at least in each case one hue is determined for the colors assigned to the pixels and for the selected color; and assigning one of the pixels to the segmented region when the clearance assigned to the corresponding pixel is below a settable threshold value and when the hue assigned to the corresponding pixel is within a settable interval around the hue assigned to the selected color.