Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.882859662905
Darker point darker score: 0.933157782909
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1LAC2M11NC968
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3GTIIFSMHAKRZ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2ZVWE8XJDWNAD
(0: guessing, 1: probably, 2: definitely)