Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.237723231342
Darker point darker score: -0.0663439094064
darker: 2 (eq: False, dd: False), confidence: 1, worker: AOKJCDRWBS5MK
darker: 2 (eq: False, dd: False), confidence: 0, worker: A10S23B6VB5G8M
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A2UFJC7YN3N0YX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1ABA3S1BGNCWW
(0: guessing, 1: probably, 2: definitely)