Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.386012946915
Darker point darker score: 0.88210704213
darker: 2 (eq: False, dd: True), confidence: 1, worker: A10QRO2MWG7AZ7
darker: E (eq: True, dd: None), confidence: 2, worker: A18600UD6WUK0X
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NQZHW4RY6IDR
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1XVZCQ983ETMR
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)