Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.131989102198
Darker point darker score: -0.230029853927
darker: 1 (eq: False, dd: False), confidence: 2, worker: A37BJIS83RKF9X
darker: E (eq: True, dd: None), confidence: 1, worker: A3DHYTZ1GPN0T8
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1ZGOZQF2VZ0X9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A23RB1Y4ANXQLS
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: False), confidence: 2, worker: ALY6VKHUADU6F
darker: 1 (eq: False, dd: False), confidence: 2, worker: A8DFFGPH3G3V5
darker: E (eq: True, dd: None), confidence: 2, worker: A1TIL0S71V1JA0
(0: guessing, 1: probably, 2: definitely)