Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0223221376814
Darker point darker score: 0.905660400563
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2V9WRIAL9CJZT
darker: 1 (eq: False, dd: True), confidence: 0, worker: A29LON3TC6GCJN
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A234WZ4KX8IW07
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3PEMQP28HYGHU
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)