A color looks brighter against a dark background than it does against a white background.
Colors look different due to the background color or to the surrounding colors.
The appearance of a color varies with the type and amount of light, for example fluorescent lighting versus sunlight.
Select colors that look good together and that reinforce your message.
Check your application for standard palettes to get you started.
Use a color scheme of five or six shades, and in a series of images, use the colors in a consistent manner throughout the series.
Use color to highlight the most important information, such as a bar or pie segment in a chart or graph.
Use color to show relationships between objects, such as a range of values. Objects with a similar meaning or value should be in similar colors.
Use color as graphic elements in the design of newsletters, logos, and brochures.
Avoid red and green combinations; these colors are hard for people with red/green color blindness to distinguish.
Avoid red and blue combinations; these colors cause the eyes to focus at different lengths.
