Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.40591981347
Darker point darker score: 1.18916202737
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ITTM18PQP5X8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1WVOW92WZG8HP (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AYLD14EI9Q925
(0: guessing, 1: probably, 2: definitely)