A lava lake from above, which is almost entirely black: drifting plates of chilled basalt with light only in the seams being pulled open between them. Bass is the spreading rate, and the seam colour comes from temperature, not from an orange.
Drawn with: a WebGL2 shader.
Reacts to and looks like: gpu, webgl2 and lava.
Family: Visualiser.
Runs in your browser. The preview above is the same program the renderer uses.