Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.15880306072
Darker point darker score: 0.990541894737
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3RJ8NZQ8BRTZM (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A10QRO2MWG7AZ7
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3DHYTZ1GPN0T8
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: True), confidence: 2, worker: ADN5X9XAX18JA
darker: 1 (eq: False, dd: True), confidence: 2, worker: AQAKW9NW6Z61T
darker: 1 (eq: False, dd: True), confidence: 2, worker: AO2JIXLS5MIC5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)