When Web Site Design first start building their Web pages, they create pages in colors that they like. If you're lucky or have a good eye, you'll end up with colors that look nice together. But it's very easy to set up a color scheme those clashes and is difficult for your readers to view for long periods or at all.
Understanding color theory will help you to understand how color works on Web pages. And one of the first places to start learning color theory is with the color wheel. Sir Isaac Newton first put together a circular diagram of colors in 1666. This color wheel allows you to see groupings of colors that are harmonious together and other colors that might clash.
The primary colors (represented in the related image) are RED, YELLOW, and BLUE. These colors, in traditional color theory, cannot be formed by mixing any other color. All other colors are derived by combinations of these colors.
Secondary colors (represented in the related image) are ORANGE, GREEN, and PURPLE. These colors are the combination of red and yellow (orange), yellow and blue (green), and blue and red (purple).
Tertiary colors (represented in the related image) are YELLOW-ORANGE, RED-ORANGE, RED-PURPLE, BLUE-PURPLE, BLUE-GREEN, and YELLOW-GREEN. These are the combinations of the secondary colors. They are represented in HTML as:
Bookmarks