Contrast ratios are an important principle in graphic composition and human perception. They relate to the variation in brightness between the brightest and deepest parts of a visual display. A higher brightness level means that there is a greater disparity between bright and dim areas, which can substantially affect https://maria929a6p.wikitelevisions.com/8001507/grasping_the_influence_of_brightness_contrast_metrics_on_optical_resolution_and_viewer_cognition