Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0669609701067
Darker point darker score: -0.911506159494
darker: E (eq: True, dd: None), confidence: 1, worker: A3P9BBIGUZ53BX (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: APWBUB0PDRLS5
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1U1W6BX6937QB
darker: E (eq: True, dd: None), confidence: 1, worker: AKLZPOBB3YA33
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2K4WWF11Q0R9W
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1CV8APDA7Y2PI
darker: E (eq: True, dd: None), confidence: 2, worker: AU4FF0366TBAR (marked invalid)
(0: guessing, 1: probably, 2: definitely)