Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.914867031312
Darker point darker score: 0.96887345558
darker: 2 (eq: False, dd: True), confidence: 2, worker: A32C9XHST5VZC8
darker: 2 (eq: False, dd: True), confidence: 1, worker: A350DTTUYQLHKJ
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2YUKCBFNE5RGL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2OF0GTKWKM2T5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
(0: guessing, 1: probably, 2: definitely)