Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0648791097853
Darker point darker score: 0.918480672538
darker: E (eq: True, dd: None), confidence: 0, worker: A2BAHM8BSHLXG2
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2V9WRIAL9CJZT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JEDFDBWHLA1F
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)