Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.18512525292
Darker point darker score: 0.948511708872
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A36ABEGFKRJC2O
darker: 2 (eq: False, dd: True), confidence: 2, worker: A295TW8B9XZJR6
darker: 2 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RJ8NZQ8BRTZM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PF1VER45OVPM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
(0: guessing, 1: probably, 2: definitely)