To change the background, text, or border color, simply use the color name or color code.
Example:
To get the color code, please use the color picker.
style="background:red"
ORstyle="background:#FF0000"
style="color:blue"
ORstyle="color:#0000FF"
style="border: 1px DarkViolet"
ORstyle="border: 1px #9400D3"