Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0827274237338
Darker point darker score: 0.962635107921
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3RNCUQDU5AVEI
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1SRPH3BGCHUOA
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2DTELFC4X0QJQ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
darker: E (eq: True, dd: None), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
(0: guessing, 1: probably, 2: definitely)