Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0883731819426
Darker point darker score: 0.966064099651
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3UC4JITM1QD1M
darker: E (eq: True, dd: None), confidence: 2, worker: A1KH9UPH0D74QJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1EKWKKYHB3MMT
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: E (eq: True, dd: None), confidence: 2, worker: A1WP5F7NLRWLKW
(0: guessing, 1: probably, 2: definitely)