Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.00752797531493
Darker point darker score: 0.290151244665
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1KITOCUU7GERN
darker: 1 (eq: False, dd: True), confidence: 1, worker: A26N0ZAW34UJUV
darker: E (eq: True, dd: None), confidence: 2, worker: A30M7MYW1BHQN1
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1WVOW92WZG8HP (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3DKW5X4Y1Z6UD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
(0: guessing, 1: probably, 2: definitely)