Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0375864319413
Darker point darker score: 0.888689365133
darker: 1 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1A50D6DABL6IK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 1, worker: AEHEZAYCPWF0E
darker: E (eq: True, dd: None), confidence: 2, worker: AWO91BEOHNOJB
(0: guessing, 1: probably, 2: definitely)