1. Of black tinged with brown
   - brown-black

See also: achromatic, neutral

• blue pike
• blue pikeperch
• blue pimpernel
• blue point Siamese
• blue pointed
• blue poppy
• blue racer
• blue riband
• blue ribbon commission
• blue ribbon committee
• blue ribbon jury
• Blue Ridge
• Blue Ridge Mountains
• blue runner
• blue sage
• blue shark
• blue skullcap
• blue sky law
• blue star
• blue story
• blue succory
• blue thistle
• blue tit
• blue toadflax
• blue tulip