Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.949979546168
Darker point darker score: 0.947416068809
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14S7A62C87LTI
darker: 2 (eq: False, dd: True), confidence: 2, worker: A4H1NYJVE7C53
darker: 2 (eq: False, dd: True), confidence: 2, worker: AET2U31SXUAPM
darker: 2 (eq: False, dd: True), confidence: 1, worker: AAY0XUI4OLPOK
darker: 2 (eq: False, dd: True), confidence: 0, worker: AFO6OUDRVZ317
(0: guessing, 1: probably, 2: definitely)