Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.301238413543
Darker point darker score: 0.131453467619
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: E (eq: True, dd: None), confidence: 1, worker: AWO91BEOHNOJB
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RVSBEHUCNC6K (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1MQPBGSL800TL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)