Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.290272572729
Darker point darker score: 0.125429716239
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DLY5ZY1C1A6V (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: E (eq: True, dd: None), confidence: 0, worker: A167L9XCC3KHPF
darker: 2 (eq: False, dd: False), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1IOJ2LGMGISYM
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
(0: guessing, 1: probably, 2: definitely)