Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -1.02201847557
Darker point darker score: -1.00239334762
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1DLY5ZY1C1A6V (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AQAKW9NW6Z61T
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1FUQIDCR4U4QQ
darker: 1 (eq: False, dd: False), confidence: 1, worker: AX720MTAR52TX
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3BCQQ7TPUO8Q2 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 0, worker: ADLMB6OF3ADTP
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1MQPBGSL800TL
(0: guessing, 1: probably, 2: definitely)