Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.103728196314
Darker point darker score: -0.287643096209
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3FHD8CKWUQK61
darker: E (eq: True, dd: None), confidence: 0, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: False), confidence: 2, worker: ALY6VKHUADU6F
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2Q27LZW3VNDIP
darker: E (eq: True, dd: None), confidence: 2, worker: A1Z3RPPYNUUT0Z
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
(0: guessing, 1: probably, 2: definitely)