Think about how many times you've flipped through a magazine and seen it: a black-and-white image spread across the page, with a bold splash of color highlighting part of the scene. And although this special effect is most often found in professional photography, modern photo editing software puts it within easy reach of any interested amateur.
We may impose remembered hues on an object seen in black-and-white, but we're also likely to become much more aware of the texture, patterns and shading in the image.
You instinctively scan the rest of the picture and pick up on the emphasized pattern and texture play against the color contrast, causing a truly enhanced viewing experience [sources: Morton; Ghodke].
The specific process for the program you use may vary slightly, but the instructions on the next two pages will give you a big head start toward learning to add color accents to black-and-white photos.