Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.355109189944
Darker point darker score: -0.0738497081396
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2SP7LV6H5D0HO
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3DKW5X4Y1Z6UD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1JEDFDBWHLA1F
darker: 1 (eq: False, dd: True), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: False), confidence: 0, worker: AYDW5LJOF8GF2
(0: guessing, 1: probably, 2: definitely)