Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -1.01955972201
Darker point darker score: -0.285292877866
darker: 1 (eq: False, dd: False), confidence: 2, worker: A287QNZ2AOSKPT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2YM7PJ6OSMSR9
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: False), confidence: 2, worker: AE808DQDYM9F
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3JJAFR9BRLG0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)