Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.142831543022
Darker point darker score: 0.0733602005558
darker: 1 (eq: False, dd: True), confidence: 1, worker: AOKJCDRWBS5MK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3DWNVEWGRQMJG
darker: E (eq: True, dd: None), confidence: 1, worker: A3NWQ0535HAXUD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1JEDFDBWHLA1F
(0: guessing, 1: probably, 2: definitely)