Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.00255381917642
Darker point darker score: 0.87973210372
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2ZMZDOTHBMUCK
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJB5LJJPC7AS
darker: E (eq: True, dd: None), confidence: 2, worker: AGDDGSV1IQ0Z4
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: E (eq: True, dd: None), confidence: 2, worker: AFO6OUDRVZ317
(0: guessing, 1: probably, 2: definitely)