Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.0109241609
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q2HC4T5MHY93
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 1 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: AWO91BEOHNOJB
(0: guessing, 1: probably, 2: definitely)