Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0179083778227
Darker point darker score: 0.977428406652
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3SOJXAUQE15S3
darker: 2 (eq: False, dd: True), confidence: 2, worker: AAC5XT7UY7B2K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KH9UPH0D74QJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: E (eq: True, dd: None), confidence: 2, worker: A1AXIY3LLO186R
darker: E (eq: True, dd: None), confidence: 2, worker: AGO9QN7UEDUYL
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
(0: guessing, 1: probably, 2: definitely)