Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.13072743573
Darker point darker score: 0.116090924053
darker: E (eq: True, dd: None), confidence: 1, worker: A2KGL2FXIG2IQM (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 2, worker: AMYTF6MZS1FIF (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1GVN53BJRWKD2
darker: E (eq: True, dd: None), confidence: 2, worker: A2P3JDCCY0EH5G
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUJPYSYU7YL5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)