Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.152082990645
Darker point darker score: -0.00386725348813
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3N21HBZFYFEXJ
darker: E (eq: True, dd: None), confidence: 1, worker: A251KVXCS8E3C
darker: 2 (eq: False, dd: False), confidence: 0, worker: ADPVKKFJ886DJ
darker: 2 (eq: False, dd: False), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)