Adjusting the LED backlight in an LCD TV or monitor on the fly to create a higher contrast ratio. When a dark image is displayed, the LEDs are dimmed or turned off behind the pixels. When light ...

Contrast ratio is an important criterion in screen quality. The ratio is derived by the brightest luminance divided by the darkest luminance in candelas per square meter (cd/m 2). For example ...

If your content contains any meaningful graphic elements like a warning icon or a checkmark, they also need to meet that 3:1 contrast ratio so they are perceivable by most readers. Download a color ...

Have you ever wondered why the picture on an OLED TV always looks so good? It may surprise you to discover that the ...

If you choose to use color, you should ensure adequate color contrast, at least a 4.5:1 contrast ratio between the text and background and accessibility friendly colors. Users should be able to scan a ...