Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.940196920674
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2YYHNACJ8MFTU
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NQW9H2DW4XDG
darker: E (eq: True, dd: None), confidence: 2, worker: APWBUB0PDRLS5
darker: E (eq: True, dd: None), confidence: 2, worker: A1E9VI5RSZI31F
(0: guessing, 1: probably, 2: definitely)