Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.430626546359
Darker point darker score: -0.178685622486
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3VQLIGEFIPKAP
darker: 2 (eq: False, dd: True), confidence: 1, worker: A234WZ4KX8IW07
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2XWHAVGMXTVMJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1R2MU0C4REIEF
darker: E (eq: True, dd: None), confidence: 2, worker: A2T2OXP4DAUXEY (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
darker: E (eq: True, dd: None), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
(0: guessing, 1: probably, 2: definitely)