Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0255432467578
Darker point darker score: -0.884424240192
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1JF9ZNXWK5QZU (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 2 (eq: False, dd: False), confidence: 2, worker: AAOTQL1SCAC03
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2JVJ7J2MVGW9S
(0: guessing, 1: probably, 2: definitely)