Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.451276342009
Darker point darker score: 1.10861566494
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1LAC2M11NC968
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMV1QZDL5K6PG
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3UIVQJXY62XU8
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BO99N00BQSB7
darker: E (eq: True, dd: None), confidence: 2, worker: A18600UD6WUK0X
(0: guessing, 1: probably, 2: definitely)