Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0836324712543
Darker point darker score: 0.892931236404
darker: E (eq: True, dd: None), confidence: 2, worker: A1ZCYJOVB9YEOW (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DWNVEWGRQMJG
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2DTELFC4X0QJQ
darker: E (eq: True, dd: None), confidence: 2, worker: A1W02OZN6J9J0H
darker: E (eq: True, dd: None), confidence: 1, worker: A26N0ZAW34UJUV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
(0: guessing, 1: probably, 2: definitely)