Comparison ratios are an important concept in graphic composition and human perception. They relate to the variation in luminance between the lightest and deepest parts of a visual display. A greater brightness ratio means that there is a greater differentiation between bright and dark areas, which can significantly influence https://tina184u4k.wikibriefing.com/3574619/understanding_the_impact_of_luminance_contrast_levels_on_perceptual_sharpness_and_user_perception