Farther away, and the gray background drops almost to black. Adding a background light lets you create a gradient and can also blow out the background if you want to go fully white. Add color gels ...

The faded part of the image is displayed as a gray and white checkerboard ... This enables you to fade the image into the background color of your page. Add a new colored layer below the image ...

Since June 2011 Google’s top bar has had a black background color with white/gray text overlaid. Google is now testing changing the background color to a gray/white with black/dark gray text ...

The new illusion looks simple, showing intersecting grey lines on a white background. But looking closely starts it moving – and though there are actually 12 black dots in it, it’s only ...