Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.162694471834
Darker point darker score: -1.19292677683
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A21VLTGNNJH43I
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3JLJXKUPJX3J2
darker: 1 (eq: False, dd: False), confidence: 2, worker: A26QZVXO4ZS0ED
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1XAOEDK0Y2KBT
darker: 1 (eq: False, dd: False), confidence: 2, worker: AOPG07J95DDJT
(0: guessing, 1: probably, 2: definitely)