Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.249521868472
Darker point darker score: 0.435196902717
darker: 2 (eq: False, dd: True), confidence: 1, worker: AHNM1CHIFW4HM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3I546VTF7B6YX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3JK0EYQ2I82KS
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1Y5DMCQYLVL74
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)