Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0500816496435
Darker point darker score: -0.920152583577
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3GFISRU6V2MG5
darker: 2 (eq: False, dd: False), confidence: 2, worker: AC0TAFK2V9MA7
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 2, worker: A3HH4LW4MMVHE1
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3VEMG1EEBJHWD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: False), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
(0: guessing, 1: probably, 2: definitely)