Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0268868679598
Darker point darker score: -0.895294208817
darker: 1 (eq: False, dd: False), confidence: 0, worker: A12DV2RIAQPV5J
darker: 1 (eq: False, dd: False), confidence: 0, worker: AIKBREX7SEPXE
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2P3JDCCY0EH5G
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: E (eq: True, dd: None), confidence: 0, worker: A10QRO2MWG7AZ7
(0: guessing, 1: probably, 2: definitely)