Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.137471884428
Darker point darker score: 0.300334323944
darker: 2 (eq: False, dd: True), confidence: 0, worker: A116SF9QIZ854X
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 1, worker: ASOOONBGQ48YI
darker: 1 (eq: False, dd: False), confidence: 0, worker: AQAKW9NW6Z61T
darker: 1 (eq: False, dd: False), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AHLVAVDNE9WI0
(0: guessing, 1: probably, 2: definitely)