This tutorial will show you how to check the color contrast on your web pages. Ensuring sufficient color contrast will make your content easier to see for people with low vision.

This tutorial will cover the implications of color blindness for web accessibility. Color contrast guidelines for making content more perceivable will also be addressed.

Changing a color photo into a black and white photo (or giving it a sepia tone) is as easy as clicking on a button in iPhoto. Select the photo you want to convert, then click on the Edit button in the toolbar. This will open up the photo in edit mode. To convert it into […]

You will find two ways to fix colors in iPhoto. The first way is by using the automatic color correction feature of iPhoto by clicking on the Enhance button (the one that looks like a magic wand). iPhoto will then automatically adjust the exposure and attempt to fix the colors in your image. In addition […]

Bit depth refers to the color information stored in an image. The higher the bit depth of an image, the more colors it can store. The simplest image, a 1 bit image, can only show two colors, black and white. That is because the 1 bit can only store one of two values, 0 (white) […]

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