Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.232262776255
Darker point darker score: -0.140258464453
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: False), confidence: 2, worker: AE6N096CSI5HT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A30M7MYW1BHQN1
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1PRVVISZ1C6CQ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AGY2PTZLZFT2L
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
(0: guessing, 1: probably, 2: definitely)