Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0534246759068
Darker point darker score: 0.132243814717
darker: 1 (eq: False, dd: False), confidence: 0, worker: A116SF9QIZ854X
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FQSVTAOL5GUC
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1RU9BQLDZ1DSY (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3P8OM5PDCFZNE
darker: E (eq: True, dd: None), confidence: 2, worker: A1XVZCQ983ETMR
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)