Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -1.0440467323
Darker point darker score: -0.16777803559
darker: E (eq: True, dd: None), confidence: 2, worker: A35Y9YHW91OY2U (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AHLVAVDNE9WI0
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3DKW5X4Y1Z6UD
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3JJAFR9BRLG0
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)