Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.178340989597
Darker point darker score: 0.136580327293
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3GTIIFSMHAKRZ
darker: E (eq: True, dd: None), confidence: 2, worker: A3BOFWD3AVRMLC
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2C1Z52F4B0CG1
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1NJB5LJJPC7AS
darker: 2 (eq: False, dd: True), confidence: 2, worker: A36RSPJYGSUWQT
(0: guessing, 1: probably, 2: definitely)