Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.219450104238
Darker point darker score: -1.11785686303
darker: 2 (eq: False, dd: False), confidence: 1, worker: A251KVXCS8E3C
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2GY8FV96EVCZN
darker: E (eq: True, dd: None), confidence: 2, worker: A37AJI03M37NPJ
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2925T8JYCYNN3 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)