Thanks for sharing! This is interesting.
Indigo is fitting. Metatron can easily be confused with some of the other projects out there i.e., tron
And the name Indigo means Indian in Latin named by the then European exporters who exported the die which is a natural plant based color that originated in South India. 
Just a fun fact: even today, Japanese luxury brands uses this natural die to color high end pants that cost 1000s of dollars…
Ha what an interesting story. I chose the name META before FB did; and was also obsessed about centering it around sacred geometry; hence the logo. 