Contrast ratios are an important concept in graphic composition and human perception. They relate to the variation in luminance between the brightest and darkest parts of a graphical interface. A higher contrast ratio means that there is a greater disparity between bright and dark areas, which can substantially affect https://janet951h9w.wikiworldstock.com/1667188/analyzing_the_role_of_tonal_contrast_levels_on_perceptual_definition_and_audience_awareness