Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.070843762286
Darker point darker score: 0.3010564658
darker: E (eq: True, dd: None), confidence: 0, worker: A3JK0EYQ2I82KS
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3SOJXAUQE15S3
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3UIVQJXY62XU8
darker: E (eq: True, dd: None), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NPKI9KKWOI2P
(0: guessing, 1: probably, 2: definitely)