from typing import Tuple # Simple color palette for class-based coloring (RGB) PALETTE = [ (235, 64, 52), # red (52, 152, 219), # blue (46, 204, 113), # green (241, 196, 15), # yellow (155, 89, 182), # purple (230, 126, 34), # orange ] WHITE: Tuple[int, int, int] = (255, 255, 255) def color_for_label(label: str) -> Tuple[int, int, int]: """Select a deterministic color for a given class label.""" idx = abs(hash(label)) % len(PALETTE) return PALETTE[idx]