This piece of art was created under the influence that our speech should not be limited. The concept behind it comes from "illegal numbers."
An illegal number is a number that represents information which is illegal to possess, utter or propagate
The Colors used in the background are very significant. This specific color pattern originated from the HD DVD AACS case. The colors represent illegal numbers that assist in the decryption of any HD DVD or Blu-ray Disc.
In 2011 Sony sued George Hotz and members of fail0verflow for jailbreaking the PlayStation 3. Part of the lawsuit complaint was that they had published PS3 keys. Sony also threatened to sue anyone who distributed the keys .As a protest of the DeCSS case, many people created 'steganographic' versions of the illegal information. Dave Touretzky of Carnegie Mellon University created a "Gallery of DeCSS descramblers". In the AACS encryption key controversy, a 'free speech flag' was created.
The argument is that if short numbers can be made illegal, then anything based on those numbers also becomes illegal, like simple patterns of colors, etc.