Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.392937823525
Darker point darker score: -0.93025252475
darker: 1 (eq: False, dd: False), confidence: 1, worker: A26N0ZAW34UJUV
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2NDNGDNAP9Y4S
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2K9VAUQ9I7CLT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1JHVZIC3FH9LG (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A15XHPD9NN0LU2
darker: 1 (eq: False, dd: False), confidence: 2, worker: A11KMASRERFP0V
(0: guessing, 1: probably, 2: definitely)