Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.225618885739
Darker point darker score: 0.91715547574
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CE5G48ELWN0F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AKLZPOBB3YA33
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1A50D6DABL6IK
(0: guessing, 1: probably, 2: definitely)