Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.06714691687
Darker point darker score: 1.00140371454
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1NPKI9KKWOI2P
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DJDJMSZTDQRF
darker: 1 (eq: False, dd: True), confidence: 2, worker: A14S7A62C87LTI
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1ITTM18PQP5X8
darker: E (eq: True, dd: None), confidence: 1, worker: A234WZ4KX8IW07
(0: guessing, 1: probably, 2: definitely)