Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.18418539998
Darker point darker score: 1.05192125158
darker: 2 (eq: False, dd: True), confidence: 2, worker: A15WUXCQBQZ0VW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RNCUQDU5AVEI
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A16R0TZXN94V6Z
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1GVN53BJRWKD2
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
(0: guessing, 1: probably, 2: definitely)