Category Nuances for pigmentation:

• qualitative,
• technological,
• physiological,
• biological,
• interesting,
• characteristic,
• genetic,
• logical,
• important,
• morphological,
• physical,
• visible,
• single,
• superficial,
• biochemical,
• developmental,
• mature,
• complex,
• physiologic,
• diverse,

Simple Categories for pigmentation:

• process,
• property,
• trait,
• state,