Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.291037496157
Darker point darker score: -0.0569104026957
darker: 2 (eq: False, dd: True), confidence: 2, worker: A223DDTP3FOZFU
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1N4JP7BSPNF95
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 1, worker: ADPVKKFJ886DJ
(0: guessing, 1: probably, 2: definitely)