How many CSS named colors are there?+
There are 140 named colors in CSS (plus 'transparent' and 'currentcolor' keywords). These are recognized by all modern browsers.
Can I use CSS color names in my code?+
Yes. You can use names like 'teal', 'coral', or 'midnightblue' anywhere you'd use a hex or RGB value: color: teal; background: coral;
Are CSS color names case-sensitive?+
No. CSS color names are case-insensitive. 'Red', 'RED', 'red', and 'rEd' all produce the same color (#FF0000).
What's the difference between Aqua and Cyan?+
Nothing — they're identical. Both map to #00FFFF. Similarly, Fuchsia and Magenta both map to #FF00FF.