Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02678393428
Darker point darker score: 0.894760523351
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A168LFJNV9DSTS
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1JHVZIC3FH9LG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A11KMASRERFP0V
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1SNF5XJQ0205C
(0: guessing, 1: probably, 2: definitely)