Comparison proportions are an important principle in visual composition and human interpretation. They relate to the variation in luminance between the lightest and deepest parts of a graphical display. A higher brightness ratio means that there is a larger disparity between light and dark areas, which can substantially influence https://angela738f8t.mysticwiki.com/1647133/understanding_the_effect_of_tonal_contrast_levels_on_image_sharpness_and_user_perception