I tinkered with an SVG image I found and this happened..
aura: bool. Display the aura or just the outline outline: html colour. Control the colour of the outline. Accepts urlencoded hex string rings: 1-7. There are 7 aura rings, control which of them are shown colors[n]: html color. Controls the colour of ring n
Currently I’m using this on the /now page to do a heart beat thing