Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02678393979
Darker point darker score: 0.266083473691
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3CB0SM114NJVL
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1JEDFDBWHLA1F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3I8UKYNJHCEAH
(0: guessing, 1: probably, 2: definitely)