Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0857033349218
Darker point darker score: 0.188032232625
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A79CHO3NW2IPO
darker: E (eq: True, dd: None), confidence: 0, worker: A3IXQP73TWQX0D
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2CXAWVGQ6QQ2V
darker: 1 (eq: False, dd: True), confidence: 1, worker: A12ABO48ZV09LR (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A26QZVXO4ZS0ED
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2SNX0RFIPIO60
(0: guessing, 1: probably, 2: definitely)