Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.95569410234
Darker point darker score: -0.101290028063
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3GTIIFSMHAKRZ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1PRVVISZ1C6CQ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1GVN53BJRWKD2
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2ZMZDOTHBMUCK
darker: 1 (eq: False, dd: False), confidence: 2, worker: A27H0BKXDPJ543
darker: E (eq: True, dd: None), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A216863E5VMFSV (marked invalid)
(0: guessing, 1: probably, 2: definitely)