Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0787539723715
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2SWQM5X54P1O5
darker: E (eq: True, dd: None), confidence: 2, worker: A22BAUES1TIZS6
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: E (eq: True, dd: None), confidence: 2, worker: A11KMASRERFP0V
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2DTELFC4X0QJQ
(0: guessing, 1: probably, 2: definitely)