The invention relates to an image display method and device, an electronic device and a computer readable storage media and belongs to the technical field of display. The method is applied to a terminal. The terminal comprises a display panel. The display panel comprises a plurality of display units corresponding to pixels. Each display unit comprises a subdisplay unit corresponding to a white channel and subdisplay units corresponding to a plurality of primary color channels. The method comprises the following steps: adjusting backlight intensity of the display panel according to the light transmittance of each subdisplay unit corresponding to each color channel; determining image data of an image to be displayed under the adjusted backlight intensity; and displaying and outputting the determined image data based on the adjusted backlight intensity. According to the method, backlight loss energy during image display can be saved.