Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.107789496369
Darker point darker score: 0.900280381206
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DWNVEWGRQMJG
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2JVJ7J2MVGW9S
darker: 2 (eq: False, dd: True), confidence: 2, worker: A23RB1Y4ANXQLS
darker: E (eq: True, dd: None), confidence: 1, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2YM7PJ6OSMSR9
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
(0: guessing, 1: probably, 2: definitely)