Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.885596709363
Darker point darker score: -0.982321980996
darker: 2 (eq: False, dd: False), confidence: 0, worker: A35WUJZ4RJNZFX
darker: 2 (eq: False, dd: False), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AEHEZAYCPWF0E
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1N274L13ZKKI5
darker: E (eq: True, dd: None), confidence: 2, worker: A216863E5VMFSV (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A1OQNX48FT7AKK (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2HN49IR90P3LR
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
(0: guessing, 1: probably, 2: definitely)