Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.347560273489
Darker point darker score: 0.224591196328
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3799NWTIYKCEV
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)