Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.111957270825
Darker point darker score: 0.9238615317
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DJDT4B5B19Q2
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1JEDFDBWHLA1F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IIE0ASFPHDBN
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A36XRHW6R8MU0C
(0: guessing, 1: probably, 2: definitely)