Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.354769558754
Darker point darker score: 0.129438197024
darker: 1 (eq: False, dd: False), confidence: 2, worker: AKG5TLUQ2WWED
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NJB5LJJPC7AS
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMV1QZDL5K6PG
darker: E (eq: True, dd: None), confidence: 1, worker: A1Y5DMCQYLVL74
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 0, worker: A3BCQQ7TPUO8Q2 (marked invalid)
(0: guessing, 1: probably, 2: definitely)