Contrast 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 graphical display. A higher brightness level means that there is a larger differentiation between bright and dark areas, which can substantially affect https://richard417z6r.wikibestproducts.com/1676710/analyzing_the_role_of_tonal_contrast_ratios_on_optical_resolution_and_viewer_response