Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.890829148423
Darker point darker score: 0.969535489286
darker: 1 (eq: False, dd: True), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1F4MP6YOIC1IV
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)