Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.8190874719
Darker point darker score: -0.976461497813
darker: 2 (eq: False, dd: False), confidence: 1, worker: ACXUUWF75RR6C
darker: 2 (eq: False, dd: False), confidence: 2, worker: AF8M0GI3M45B8
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1AKY7UPWR53YH
darker: 2 (eq: False, dd: False), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
darker: E (eq: True, dd: None), confidence: 0, worker: ASJ2RFXCJT1T8
(0: guessing, 1: probably, 2: definitely)