Abstract: A color photographic material comprising a support, at least one light-sensitive silver halide emulsion layer and at least one color coupler associated with said layer, characterized in that the material contains at least one compound of formula R1—SO2—NH—CO—R2  (I) wherein R1 and R2 denote organic radicals, the N atom can also be deprotonated, and compound I is substantially colorless and does not couple to form colored compounds during the processing of the material, is distinguished by its steep gradation and in that a high color density is obtained with inexpensive compounds.