Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.00123973069163
Darker point darker score: -0.108360699519
darker: E (eq: True, dd: None), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: False), confidence: 1, worker: ASOOONBGQ48YI
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3IXQP73TWQX0D
darker: 1 (eq: False, dd: False), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3PEMQP28HYGHU
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2KFG0H3IXPFM9 (marked invalid)
(0: guessing, 1: probably, 2: definitely)