Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.30241145869
Darker point darker score: 0.295516785571
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1R2MU0C4REIEF
darker: 1 (eq: False, dd: True), confidence: 2, worker: A14P86I4JB46ET
darker: 1 (eq: False, dd: True), confidence: 2, worker: A27OMO8P7J3W7K
darker: 1 (eq: False, dd: True), confidence: 2, worker: A36ABEGFKRJC2O
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)