Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.13943040077
Darker point darker score: 0.0478076054299
darker: E (eq: True, dd: None), confidence: 1, worker: A1G05O3HM7DNVZ
darker: 2 (eq: False, dd: True), confidence: 0, worker: AIKBREX7SEPXE
darker: E (eq: True, dd: None), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: False), confidence: 1, worker: AKLZPOBB3YA33
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q1A5H715C3EK
(0: guessing, 1: probably, 2: definitely)