Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.12211169671
Darker point darker score: 0.897805252208
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2GDON3WOQBNI0
darker: E (eq: True, dd: None), confidence: 1, worker: AGDDGSV1IQ0Z4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1E9VI5RSZI31F
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
(0: guessing, 1: probably, 2: definitely)