Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.264005345924
Darker point darker score: -0.886306417712
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3LSDO3YPF1SFT
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AET2U31SXUAPM
darker: 1 (eq: False, dd: False), confidence: 2, worker: A168LFJNV9DSTS
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1PEIAZGS7C9DH
(0: guessing, 1: probably, 2: definitely)