Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02802629741
Darker point darker score: 0.0308014334835
darker: 1 (eq: False, dd: True), confidence: 2, worker: A13KNTN4K1EZ9J (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3HFS9E2FHNXDR
darker: 1 (eq: False, dd: True), confidence: 2, worker: A223DDTP3FOZFU
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
(0: guessing, 1: probably, 2: definitely)