A marvellous source of color info
Here, I've entered ff9600:
http://www.color-hex.com/color/ff9600
Here, I've entered ff9600:
http://www.color-hex.com/color/ff9600
I try to write all code in Perl, but find I end up writing in bash, CSS, HTML, JS, and SQL, and doing database design, just to get anything done...
There's a CPAN module which gives you most of that information: Convert::Color. Combine it with a module like Cairo and you could probably reproduce everything on that site.