Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0201067470341
Darker point darker score: -0.887309151546
darker: E (eq: True, dd: None), confidence: 2, worker: A7114FTRGZMK2
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: E (eq: True, dd: None), confidence: 2, worker: A2YAM0NOL7EQNG
darker: 1 (eq: False, dd: False), confidence: 0, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 1, worker: AR50UBGSH10FJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)