Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.234930263427
Darker point darker score: 0.905684652467
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3CB0SM114NJVL
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2OF0GTKWKM2T5
darker: E (eq: True, dd: None), confidence: 2, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3I8UKYNJHCEAH
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1JEDFDBWHLA1F
(0: guessing, 1: probably, 2: definitely)