Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.108773212348
Darker point darker score: 0.902507501311
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3CB0SM114NJVL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: APLPGURGFU8KN
darker: E (eq: True, dd: None), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 1, worker: A7114FTRGZMK2
darker: E (eq: True, dd: None), confidence: 1, worker: AYLD14EI9Q925
(0: guessing, 1: probably, 2: definitely)