Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.115346721514
Darker point darker score: -0.883395660543
darker: 1 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3NBD6P0INJB4G
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1ZH2G3ICIOPT2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1CE5G48ELWN0F
(0: guessing, 1: probably, 2: definitely)