First time hearing this

Importantly for anyone at home, I wouldn't bother changing your desktop background or getting a programmable-color LED bulb.

This effect may require actual "violet" wavelengths of light [0] not simply a mix of red and blue which happens to appear similar.

> Human OPN5 also had an absorption maximum at 380 nm with spectral properties similar to mouse OPN5

[0] https://pubmed.ncbi.nlm.nih.gov/22043319/