Two worlds, one house
The name is older than the desert. Atreides, 'sons of Atreus', carries its honor from a world of oceans to a world of sand, and the banner shows the moment of hand-off: the waves of the Caladan sea on one side, the dune seas of Arrakis on the other. The palette represents this house stretched across two opposing worlds. Structural elements swim: marine-ink backgrounds, deep-current functions, sea jade strings, comments like morning mist on the sea's face. On Arrakis, the sand is strong and forceful: the text itself in sunlit crest tones, and keywords in spice-orange, cutting through the cool sea blues and greens.
Reading code in this theme is reading that dichotomy: a cool blue expanse holding the structure, with warm keywords running through it. Only one color crosses every palette unchanged: sisterhoodViolet, because the Sisterhood operates in every corner of the Imperium…