Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.898045084693
Darker point darker score: -1.04931002264
darker: 1 (eq: False, dd: False), confidence: 0, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TE84RMBCJ1B1 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1JEDFDBWHLA1F
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 1 (eq: False, dd: False), confidence: 2, worker: ANE1T9B3JJAS5
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)