Maybe a yellow or a orange, to continue with the warm colors, or a green blue for a strong contrast.
"Hear our call children of the void, listen to the screams of your brothers and sisters, see the raining ash from your home. Do you have what it takes to stand back up, or will you fall like so many before you."
- Zorev Norterus, Archon of the Immortal Eclipse
Kabal of the Immortal Eclipse | Coven of the Shadow Flesh | Cult of the Black Rage