Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.202305801549
Darker point darker score: 0.945299837588
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2GDON3WOQBNI0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1SRPH3BGCHUOA
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
darker: E (eq: True, dd: None), confidence: 2, worker: A27H0BKXDPJ543
(0: guessing, 1: probably, 2: definitely)