Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0949268106635
Darker point darker score: -0.0612263553483
darker: E (eq: True, dd: None), confidence: 0, worker: AW0K78T4I2T72
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1BP3FCJIWJXPB (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1YQ4Z1018RM1R
darker: 1 (eq: False, dd: True), confidence: 1, worker: AVUB4GDC2GE48 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A2SP7LV6H5D0HO
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1XVZCQ983ETMR
(0: guessing, 1: probably, 2: definitely)