Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.893507732741
Darker point darker score: 0.473485460912
darker: 1 (eq: False, dd: False), confidence: 0, worker: A1NGT2SPSU6FCB
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NJB5LJJPC7AS
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 1, worker: AAY0XUI4OLPOK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2XWHAVGMXTVMJ
(0: guessing, 1: probably, 2: definitely)