Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0606044099032
Darker point darker score: -0.0851359801025
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3GTIIFSMHAKRZ
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3N1F27UIGEOGI
darker: E (eq: True, dd: None), confidence: 1, worker: A221FSWO28B4YF
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: False), confidence: 2, worker: A28B3UID8AT1GJ
(0: guessing, 1: probably, 2: definitely)