Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0561767550152
Darker point darker score: 0.0239566241143
darker: 1 (eq: False, dd: True), confidence: 2, worker: A8DFFGPH3G3V5
darker: E (eq: True, dd: None), confidence: 0, worker: AOKJCDRWBS5MK
darker: E (eq: True, dd: None), confidence: 0, worker: A36ABEGFKRJC2O
darker: E (eq: True, dd: None), confidence: 2, worker: A1QK90OHMNVT6N
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1JEDFDBWHLA1F
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)