8-digit hex value: As an example, '#ff7f5080' is the same as 'Coral' with a 50% alpha channel.The string is in the format '# rrggbb' where rr is the red portion in two hexadecimal digits, gg is the green, and bb is the blue. 6-digit hex value: As an example '#ffd700' is the same as 'Gold'.The list of supported colors appears later in this topic. CSS color name: 'RoxyBrown' and 'OliveDrab' are examples.The ColorValue function returns a color based on a color string in a CSS. You can find a list of these colors at the end of this topic. Descriptionīy using the Color enumeration, you can easily access the colors that are defined by HTML's Cascading Style Sheets (CSS). Use built-in color values, define custom colors, and use the alpha channel.