Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 1.05422354453
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3ICG6AUFB4AT
darker: 1 (eq: False, dd: False), confidence: 0, worker: A21TA9DWNPHPBG (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A14BFNH96MJQH
darker: E (eq: True, dd: None), confidence: 2, worker: AH5A4HC68V57W (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: E (eq: True, dd: None), confidence: 2, worker: AEHEZAYCPWF0E
darker: E (eq: True, dd: None), confidence: 2, worker: A1A50D6DABL6IK
(0: guessing, 1: probably, 2: definitely)