Contrast ratios are an important principle in graphic composition and human perception. They refer to the variation in brightness between the brightest and deepest parts of a visual display. A greater contrast ratio means that there is a larger differentiation between light and dark areas, which can substantially affect https://lauren173k0y.hyperionwiki.com/1529104/understanding_the_impact_of_luminance_contrast_ratios_on_perceptual_resolution_and_viewer_perception