Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.180570416653
Darker point darker score: 0.278359355621
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DU0G52OTCO5K
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3B0M28EYT4K6
darker: 1 (eq: False, dd: False), confidence: 2, worker: A360B58589TBUS (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2KJ983WWTEK4L
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)