Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.03492189815
Darker point darker score: 0.946147041504
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DU0G52OTCO5K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2V9WRIAL9CJZT
(0: guessing, 1: probably, 2: definitely)