Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0499779140675
Darker point darker score: -0.904601741279
darker: 2 (eq: False, dd: False), confidence: 1, worker: A7114FTRGZMK2
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3VO5CW9ZY22MZ
darker: 2 (eq: False, dd: False), confidence: 2, worker: A10QRO2MWG7AZ7
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1E9VI5RSZI31F
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)