Colors

These 16 were also specified as sRGB and included in the HTML 3.0 specification.

Fluorescent Colors
The neon colors are a typical type of colors that glow on certain pages depending on what color the theme is used through Theme Designer.

X11 color names
In addition, a number of colors are defined by web browsers. A particular browser may not recognize all of these colors, but as of 2005 all modern general-use browsers support the full list. The list of web "X11 colors" from the CSS3 specification, along with their hexadecimal and decimal equivalents, is shown below, compare the alphabetical lists in the W3C standards. You can learn more about X11 color names on Wikipedia. W3C TR CSS3 Color Module, SVG color keywords W3C TR SVG 1.0, recognized color keyword names