Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02696818574
Darker point darker score: 0.157266186157
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1XX6ZVVS2UTO7 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A13QL2FY4BZR9B
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1IX44UFXFW0ZY
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)