Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.00368127542
Darker point darker score: 0.904149427293
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3O8YXPG1HGUH0
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJB5LJJPC7AS
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: True), confidence: 2, worker: AI0LPDLUHKFMT (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJB5LJJPC7AS
darker: E (eq: True, dd: None), confidence: 1, worker: A167L9XCC3KHPF
(0: guessing, 1: probably, 2: definitely)