double c1_result = c1_C*(Math.pow((c1_A-(c1_k1*CoorRGB_c1.getR() + c1_k2*CoorRGB_c1.getG() + c1_k3*CoorRGB_c1.getB()))/((c1_k1*CoorRGB_c1.getR() + c1_k2*CoorRGB_c1.getG() + c1_k3*CoorRGB_c1.getB())-c1_D),1/c1_B));