Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0646554972496
Darker point darker score: -0.879732104089
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2JVJ7J2MVGW9S
darker: E (eq: True, dd: None), confidence: 1, worker: AGDDGSV1IQ0Z4
darker: 2 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: False), confidence: 2, worker: A28B3UID8AT1GJ
(0: guessing, 1: probably, 2: definitely)