Like many of my NFT projects, Visible Spectrum Series Two went through several phases of development. What I started with was an idea to recreate an optical phenomenon I experienced called “phosphenes”.
You can read more about how the project developed at the following link:

https://medium.com/@markcotton_81658/like-many-of-my-nft-projects-visible-spectrum-series-two-went-through-several-phases-of-e02453918789