Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02787418407
Darker point darker score: 1.09207218232
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2JPVJSFVU89GH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7WI4XSAIFD7J (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A12DV2RIAQPV5J
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
(0: guessing, 1: probably, 2: definitely)