Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02237485394
Darker point darker score: 0.271604515101
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1E6RS45GUAFC3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AI0LPDLUHKFMT (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3LNPBZXHKKAA7
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1MQPBGSL800TL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NJB5LJJPC7AS
(0: guessing, 1: probably, 2: definitely)