Color set the foreground color of HTML Elements.
Following are the ways to specify colors for HTML Elements.
| Use color name | Green, Blue, Red etc |
| RGB value | RGB(255,255,0); |
| Hexadecimal Value | #ffff00 |
| RGBA Colors | Red, Green, Blue colors with an alpha channel for opacity of color. |
| HSL Colors | Is an acronym for Hue, Saturation and Lightness. |
| HSLA Colors | Is an acronym for Hue, Saturation, Lightness and Alpha. |