Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0314403389708
Darker point darker score: 0.239252809342
darker: E (eq: True, dd: None), confidence: 2, worker: A1NF6PELRKACS9
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1KWFRKBCLPQXZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUJPYSYU7YL5
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1GVN53BJRWKD2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)