Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.311884385112
Darker point darker score: 0.0455093219207
darker: 2 (eq: False, dd: False), confidence: 2, worker: APROFW08F7Z34
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3GTLCTTVIMPOL
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 2 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)