Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.223671679968
Darker point darker score: -0.177542900503
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3IXQP73TWQX0D
darker: 1 (eq: False, dd: False), confidence: 2, worker: AGY2PTZLZFT2L
darker: E (eq: True, dd: None), confidence: 2, worker: A3B0M28EYT4K6
darker: E (eq: True, dd: None), confidence: 1, worker: AET2U31SXUAPM
darker: 1 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
darker: E (eq: True, dd: None), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
(0: guessing, 1: probably, 2: definitely)