1. This paragraph will be dodgerblue.
2. Which can also be written as #1e90ff.
3. Or as rgb(30, 144, 255).
4. And as hsl(210, 100%, 56%).
5. This has an alpha (transparency) value in the color.
6. Same for this one.
7. This uses a separate opacity property.
8. All of these work for backgrounds, too!