Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.295991014083
Darker point darker score: -0.952410634568
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2DNSD743W4OC2
darker: 1 (eq: False, dd: False), confidence: 2, worker: A21IZYCFI4AUYU
darker: E (eq: True, dd: None), confidence: 2, worker: A3MWV912LNFD67
darker: E (eq: True, dd: None), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A168LFJNV9DSTS
(0: guessing, 1: probably, 2: definitely)