Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.01310780473
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A287QNZ2AOSKPT
darker: 2 (eq: False, dd: False), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A5A5THR7ITRBA
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A23RB1Y4ANXQLS
darker: E (eq: True, dd: None), confidence: 2, worker: A3PHP9TTAVN4Y4
darker: E (eq: True, dd: None), confidence: 2, worker: A1KITOCUU7GERN
darker: E (eq: True, dd: None), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)