Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.206302268141
Darker point darker score: 0.244930126591
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1JXSZBH58QL8O
darker: 2 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3P8OM5PDCFZNE
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: 1 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
(0: guessing, 1: probably, 2: definitely)