Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.879763763229
Darker point darker score: 0.194228419239
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: ALLP45O3BDWYM
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1JHVZIC3FH9LG
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1IX44UFXFW0ZY
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2UD6YLEN1BU8M
(0: guessing, 1: probably, 2: definitely)