Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.21193477024
Darker point darker score: -0.0115494542956
darker: 2 (eq: False, dd: True), confidence: 2, worker: A15WUXCQBQZ0VW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3RNCUQDU5AVEI
darker: 1 (eq: False, dd: False), confidence: 1, worker: A16R0TZXN94V6Z
darker: E (eq: True, dd: None), confidence: 2, worker: A1GVN53BJRWKD2
(0: guessing, 1: probably, 2: definitely)