Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.999055204496
Darker point darker score: 0.0595266945492
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2LVDFUMN11HAS (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3IXQP73TWQX0D
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3IXQP73TWQX0D
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NJB5LJJPC7AS
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3799NWTIYKCEV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2BELXEEQTFLXE (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
(0: guessing, 1: probably, 2: definitely)