Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.14361550326
Darker point darker score: 1.03729413385
darker: 2 (eq: False, dd: True), confidence: 2, worker: A37AJI03M37NPJ
darker: 2 (eq: False, dd: True), confidence: 1, worker: A15LPXZLC6NUHT
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3V3O547GWAZID
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1AXIY3LLO186R
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1WVOW92WZG8HP (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)