Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.247243738612
Darker point darker score: 0.0690201979061
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2SNX0RFIPIO60
darker: E (eq: True, dd: None), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3KUGXG2Y6X7BD
darker: 2 (eq: False, dd: True), confidence: 1, worker: A16FTFUI73YO4D
(0: guessing, 1: probably, 2: definitely)