Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -1.02870250418
Darker point darker score: -1.02750041269
darker: 1 (eq: False, dd: False), confidence: 1, worker: A234WZ4KX8IW07
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: False), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A26QZVXO4ZS0ED
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3PF1VER45OVPM
darker: 1 (eq: False, dd: False), confidence: 2, worker: A36XRHW6R8MU0C
(0: guessing, 1: probably, 2: definitely)