Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.220945046414
Darker point darker score: 0.879867528758
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HPVFAF1U9WXK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1PCTP576OW35H (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: E (eq: True, dd: None), confidence: 1, worker: AYLD14EI9Q925
darker: 2 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
(0: guessing, 1: probably, 2: definitely)