I came across this question which led me to search for the color codes of green, red and yellow in decimal format for the rgba() function. According to this website, I found that green is represented by #008000, equivalent to rgb(0, 128, 0). However, I am curious about the official source for these color codes as they were not mentioned in the CSS specification. Does anyone know where I can find this information?
You can discover them within the CSS color definition section:
The collection of color keywords includes: aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive, orange, purple, red, silver, teal, white, and yellow.
It should be noted that the CSS specification goes beyond just the basic color keywords mentioned by @Tim Cooper and includes some more unique options, such as "aliceblue" and "lightgoldenrodyellow."
Check out this link for more information
The w3 documentation provides not only the color names but also their corresponding hex and rgb values, which could be helpful for your project.
If you're looking for a valuable resource, check out
Here is a comprehensive table of color names that are universally recognized by modern browsers. These names originate from the X11 color list included in the X Window System and have been standardized by SVG 1.0.
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