Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.139729979332
Darker point darker score: 0.0728881175587
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ITTM18PQP5X8
darker: E (eq: True, dd: None), confidence: 1, worker: AKLZPOBB3YA33
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NJB5LJJPC7AS
(0: guessing, 1: probably, 2: definitely)