Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0135297576117
Darker point darker score: 0.104935354533
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1ZK135JLUOY0U
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3I8UKYNJHCEAH
darker: E (eq: True, dd: None), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)