Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.238792842513
Darker point darker score: 0.0891671271522
darker: 1 (eq: False, dd: True), confidence: 2, worker: A112V6HAH568DI
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2KGFKD1S21AZA
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1NQZHW4RY6IDR
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NJB5LJJPC7AS
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJB5LJJPC7AS
(0: guessing, 1: probably, 2: definitely)