Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.180453850412
Darker point darker score: -1.04329151475
darker: 1 (eq: False, dd: False), confidence: 2, worker: AH8FQGOADPCST (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1F63T5BG7QIL7
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1LAC2M11NC968
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3PEMQP28HYGHU
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3GTIIFSMHAKRZ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)