Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.924116251494
Darker point darker score: 1.01779368662
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NF6PELRKACS9
darker: 2 (eq: False, dd: True), confidence: 1, worker: A266KTWY0HBD2F
darker: 2 (eq: False, dd: True), confidence: 1, worker: A167L9XCC3KHPF
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1L3348HFKSWBJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DYG62TXKP65Z
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)