Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.44672258615
Darker point darker score: 0.964013335959
darker: 2 (eq: False, dd: True), confidence: 2, worker: AWO91BEOHNOJB
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE3ML0W24YFNL
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2T2OXP4DAUXEY (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2631BM7J7H37K
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WP5F7NLRWLKW
(0: guessing, 1: probably, 2: definitely)