Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.940911392809
Darker point darker score: 0.899445642353
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1TIL0S71V1JA0
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQD91RFHV1WNE (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PHP9TTAVN4Y4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3LSDO3YPF1SFT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A27H0BKXDPJ543
(0: guessing, 1: probably, 2: definitely)