Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.04351412978
Darker point darker score: 1.11956100063
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2UVEVCYVC553J
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3ICG6AUFB4AT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: True), confidence: 0, worker: A21TA9DWNPHPBG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AG5PRN6LLI9E1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)