Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.915746739002
Darker point darker score: 0.191593271452
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3HH4LW4MMVHE1
darker: 1 (eq: False, dd: True), confidence: 2, worker: A13KNTN4K1EZ9J (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1D2E3QRL7O43T
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TIL0S71V1JA0
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3O8YXPG1HGUH0
(0: guessing, 1: probably, 2: definitely)