Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0862386196816
Darker point darker score: -1.00247056092
darker: 1 (eq: False, dd: False), confidence: 2, worker: A9Y1HKUEOOEPM
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: 1 (eq: False, dd: False), confidence: 1, worker: AZX5II1VFIK4R
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q1A5H715C3EK
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)