Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0777708972447
Darker point darker score: -0.901900144144
darker: E (eq: True, dd: None), confidence: 1, worker: A1KWFRKBCLPQXZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1SNF5XJQ0205C
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3LI0O659I8GFX
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)