Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.155615429271
Darker point darker score: 0.914685362896
darker: 2 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1XA2WJ50VR7KQ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1SNF5XJQ0205C
darker: E (eq: True, dd: None), confidence: 1, worker: A167L9XCC3KHPF
(0: guessing, 1: probably, 2: definitely)