Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0313291894661
Darker point darker score: -0.881808383764
darker: E (eq: True, dd: None), confidence: 2, worker: A2ESYN5ZMD7E3M
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NJB5LJJPC7AS
darker: 1 (eq: False, dd: True), confidence: 0, worker: AKJ6IXN6XE7OQ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AGO9QN7UEDUYL
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1JEDFDBWHLA1F
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
(0: guessing, 1: probably, 2: definitely)