The invention relates to an illumination light mixing calculation method. The method comprises the following steps of: obtaining a first color coordinate point corresponding to the first color light,obtaining a second color coordinate point corresponding to the second
colored light, Obtaining a target color coordinate point; according to a target color coordinate point, the first color coordinatepoint and the second color coordinate point, calculating and obtaining a first lumen value
mixing ratio of the first color light and the second color light; determining an intermediate color coordinate point corresponding to the intermediate
colored light obtained by mixing according to the first lumen value
mixing ratio, determining first compensation
colored light and second compensation
colored light which are matched with the intermediate color coordinate point according to the intermediate color coordinate point, and carrying out compensation calculation on the intermediate color light according to the first compensation color light and the second compensation color light, and determining a second lumen value
mixing ratio corresponding to the first compensation color light, the second compensation color light and the intermediate color light when the first compensation color light, the second compensation color light and the intermediate color light are mixed to target color coordinate points. Light mixing is performed according to the illumination light mixing calculation method, so that the color tolerance is reduced, and the light
mixing effect is improved. In addition, the invention further provides an illumination light mixing calculation device,
computer equipment and a storage medium.