It is claimed all rainbows are circular, but we can only see half a rainbow from the ground. You can view circular rainbows from high altitudes, most commonly, in a plane as shown in the photo on the right taken by Anna Kim in Hana, Maui, Hawaii, US.
The Safe Space Alliance logo incorporates a circular rainbow. The rainbow acts as a barrier to violence, bullying, and hate speech towards the LGBTQI+ community, creating a safe space in the middle.
The circular rainbow represents:
The word “Safe” in our logo is pink representing the pink triangle often used by the LGBTQI+ community as a symbol of pride, solidarity, and resistance. The pink triangle was used in Nazi concentration camps to identify homosexual men, then reclaimed in the 1970’s as a symbol of pride.
You can read more about the history of the pink triangle in this Time article.