Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.147278491324
Darker point darker score: -0.881808450477
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3CB0SM114NJVL
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: E (eq: True, dd: None), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 2 (eq: False, dd: False), confidence: 1, worker: AGO9QN7UEDUYL
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AFO6OUDRVZ317
(0: guessing, 1: probably, 2: definitely)