Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0228188440173
Darker point darker score: 0.909500595975
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: True), confidence: 1, worker: A32M5FDKCPHMA
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2EKPA2DR5VSA8
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: E (eq: True, dd: None), confidence: 1, worker: A92IZM4P9SJ2S
(0: guessing, 1: probably, 2: definitely)