Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.89888227852
Darker point darker score: -0.886331447355
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1NJB5LJJPC7AS
darker: 2 (eq: False, dd: False), confidence: 2, worker: A21IZYCFI4AUYU
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RMSR5X69YMCL
darker: 2 (eq: False, dd: False), confidence: 2, worker: APLPGURGFU8KN
darker: 2 (eq: False, dd: False), confidence: 2, worker: A23RB1Y4ANXQLS
(0: guessing, 1: probably, 2: definitely)