Selective Color Effect for Lips and Irises

{ "operations": [ { "op": "colorize_regions", "regions": [ { "mask_prompt": "lips of the subject only", "saturation": 1.0, "hue": "red", "hex": "#B0102A" }, { "mask_prompt": "left iris of the subject only", "saturation": 0.45, "hue": "brown", "hex": "#5A3B1F" }, { "mask_prompt": "right iris of the subject only", "saturation": 0.45, "hue": "brown", "hex": "#5A3B1F" } ] }, { "op": "global_tone_guard", "saturation_max_outside_masks": 0.0 } ], "negative_prompt": "colour anywhere outside the lips and irises; tint on teeth, gums, sclera, eyelids, eyelashes, hair, dress, skin, background; blue, green, cyan, teal, yellow, orange, magenta, purple, pink on any area; red on anything except lips.", "parameters": { "cfg": 8.0, "steps": 16, "sampler": "default", "seed": 112358 }, "metadata": { "intent": "Selective colour effect limited strictly to lips (deep red) and irises (natural brown).", "notes": "If your UI supports polygon/brush masks, manually paint only the lips and each iris for best results." } }