Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.889800385355
Darker point darker score: -0.972861452826
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1AKY7UPWR53YH
darker: 2 (eq: False, dd: False), confidence: 2, worker: A4SP70BFBM4ZP
darker: 1 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HH4LW4MMVHE1
darker: 2 (eq: False, dd: False), confidence: 2, worker: AF8M0GI3M45B8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1LAC2M11NC968
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)