Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.335841181742
Darker point darker score: -0.921673691687
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3SOJXAUQE15S3
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2C5CT4Y35F75B
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE808DQDYM9F
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 2 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)