Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.187373724705
Darker point darker score: 0.0750065318523
darker: 1 (eq: False, dd: False), confidence: 2, worker: A10S23B6VB5G8M
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3VQLIGEFIPKAP
darker: E (eq: True, dd: None), confidence: 2, worker: A325FINFEL3NH8 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1RHI1ARUZZKGP
darker: E (eq: True, dd: None), confidence: 0, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)