Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0771372750331
Darker point darker score: -0.126817681394
darker: E (eq: True, dd: None), confidence: 1, worker: A20CM8GXU53GUY
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AW0K78T4I2T72
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2Q0V5TIXSJJI3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
(0: guessing, 1: probably, 2: definitely)