Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.107496364806
Darker point darker score: 0.951181341957
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3HH4LW4MMVHE1
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1SRPH3BGCHUOA
darker: E (eq: True, dd: None), confidence: 0, worker: AKJ6IXN6XE7OQ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A167L9XCC3KHPF
darker: E (eq: True, dd: None), confidence: 2, worker: AU4FF0366TBAR (marked invalid)
(0: guessing, 1: probably, 2: definitely)