Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.953158846753
Darker point darker score: -1.12636584765
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2B8L88BUHVOO6
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
(0: guessing, 1: probably, 2: definitely)