Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.131636066458
Darker point darker score: 0.332542056636
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3B58QWMTBXVE0
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1QK90OHMNVT6N
darker: 2 (eq: False, dd: True), confidence: 0, worker: AAS7N38GYAVF8
darker: E (eq: True, dd: None), confidence: 2, worker: ATJE4JENU7IJF
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TE84RMBCJ1B1 (marked invalid)
(0: guessing, 1: probably, 2: definitely)