Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.122931605668
Darker point darker score: 0.0937323815492
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1KF93C9NTOP42
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1H30MGYWO1MWS (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1JHVZIC3FH9LG
darker: E (eq: True, dd: None), confidence: 2, worker: A3HIIRTGJUJZ1D
(0: guessing, 1: probably, 2: definitely)