Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0426885028941
Darker point darker score: 0.8969794001
darker: E (eq: True, dd: None), confidence: 0, worker: AOKJCDRWBS5MK
darker: E (eq: True, dd: None), confidence: 1, worker: ATJE4JENU7IJF
darker: 2 (eq: False, dd: True), confidence: 1, worker: A37Q1701BQI3TI
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q0V5TIXSJJI3
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)