Had the need to send a set of hex colour codes to a method which used them to create a chart using Google charts. The initial list was too short so that some of the colours ended up being repeated and the data became difficult to read. I pottered around the code base and "borrowed" some functionality from the boss. The following code is what I used to test it. By all means copy and paste it into a blank file and give it a try. Works a treat!
This will produce ""000000,0000FF,00FFFF,00FF00".