Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.185780488723
Darker point darker score: -0.171049203984
darker: E (eq: True, dd: None), confidence: 0, worker: AAC3Q1AEAKXE4
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A47MKFPE4RROA (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1H10UJNXTJDX4
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1MQPBGSL800TL
darker: 2 (eq: False, dd: False), confidence: 2, worker: ANE1T9B3JJAS5
(0: guessing, 1: probably, 2: definitely)