Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.879732105615
Darker point darker score: -0.908093250022
darker: 1 (eq: False, dd: False), confidence: 1, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1SRPH3BGCHUOA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2CXAWVGQ6QQ2V
(0: guessing, 1: probably, 2: definitely)