High contrast (like black text on a white background) enhances clarity, while low contrast (like light gray text on a white ... For small text, a 4.5:1 contrast ratio is required. For large text, a ...

The Bravia Projector 7, aka the VPL-XW5100ES, is a laser-powered high-end projector with the promise of great contrast.

High color contrast is critical for individuals who are colorblind or have low vision, and benefits many others ... they also need to meet that 3:1 contrast ratio so they are perceivable by most ...