Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.194444210873
Darker point darker score: 0.142470154007
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: True), confidence: 1, worker: A234WZ4KX8IW07
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: True), confidence: 0, worker: A21TA9DWNPHPBG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)