Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.005414987295
Darker point darker score: 1.03379180446
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2S9J5W3VOD0M6
darker: 2 (eq: False, dd: False), confidence: 1, worker: AO6J6WQVRE5YZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 1 (eq: False, dd: True), confidence: 2, worker: A14P86I4JB46ET
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2KJ983WWTEK4L
darker: E (eq: True, dd: None), confidence: 2, worker: A3RZMD0GPKZBJ5
(0: guessing, 1: probably, 2: definitely)