Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.01315250441
Darker point darker score: 0.958297391224
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1WVOW92WZG8HP (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B0M28EYT4K6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A30M7MYW1BHQN1
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 2, worker: AFO6OUDRVZ317
(0: guessing, 1: probably, 2: definitely)