What's the problem with dithered colors?

Have you ever seen a colors that appeared to be one solid color with a few lighter colored dots across the top? They don't blend much like the printed colored ink dots you see in the Sunday comics?
If you truly mixed the colors together, you might get the color you wanted. The trouble is, you cannot mix them—they're dithered.

What's so good about non-dithered colors?

They don't dither so they will look like the color wanted when seen on all browsers and computer screen settings. They display nice smooth colors on the web because these are the 216 colors that make up Windows and MAC operating system color palettes. The colors that aren't shown below must be make up by dithering. A mathematical formula using the shades 00, 33, 66, 99, CC, and FF form the hex codes which computers use to represent colors. These 6 hex combinations over red, blue, and green hues, give 216 colors that will render perfectly on your screen and all others as well.

Do you want to know how color influence mood?

The Smooth 216