Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -1.01764689868
Darker point darker score: -0.31275226515
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QJPB0NZU5PY1
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1IX44UFXFW0ZY
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1AXIY3LLO186R
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2LVDFUMN11HAS (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3FZ7C7M6VD21M (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AHLVAVDNE9WI0
darker: 1 (eq: False, dd: False), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
(0: guessing, 1: probably, 2: definitely)