Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.137152782759
Darker point darker score: -0.95923694214
darker: E (eq: True, dd: None), confidence: 2, worker: AFO6OUDRVZ317
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3CB0SM114NJVL
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TQYQG3VFJTWW
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1JEDFDBWHLA1F
darker: E (eq: True, dd: None), confidence: 0, worker: A2RA4A0LLQLGUW
(0: guessing, 1: probably, 2: definitely)