Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02670445466
Darker point darker score: 1.0042387558
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1LAC2M11NC968
darker: 1 (eq: False, dd: True), confidence: 1, worker: AVUB4GDC2GE48 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IXQP73TWQX0D
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3FZ7C7M6VD21M (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A23RB1Y4ANXQLS
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: AMDW925P9IY2O
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3PKLLRKQ7VUVN (marked invalid)
(0: guessing, 1: probably, 2: definitely)