Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.880736028348
Darker point darker score: 0.0444764669697
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NHP1VZPN3DNX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2HZ8CGOYL86XB
darker: 2 (eq: False, dd: False), confidence: 1, worker: A11GWWAXRJQ6Y2 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A68ZXGGMWVXUN (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 2 (eq: False, dd: False), confidence: 2, worker: AYDW5LJOF8GF2
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3DKW5X4Y1Z6UD
(0: guessing, 1: probably, 2: definitely)