Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.880473961398
Darker point darker score: -0.906524946307
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2TP6GDF71HM4M
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2EPRPJA681I8X
darker: 1 (eq: False, dd: False), confidence: 0, worker: AIKBREX7SEPXE
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AGO9QN7UEDUYL
(0: guessing, 1: probably, 2: definitely)