Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.880020226325
Darker point darker score: 0.908163055091
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HFS9E2FHNXDR
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1297K7FECN9JJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A116SF9QIZ854X
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DYG62TXKP65Z
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2D6GU31XFG5LY
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)