Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.239887300245
Darker point darker score: 0.0473067434299
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: APROFW08F7Z34
darker: 2 (eq: False, dd: True), confidence: 2, worker: AWL4VD8C90KJR (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A234WZ4KX8IW07
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3FB1E807EN22S
darker: 1 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)