Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.03365342018
Darker point darker score: 0.288067723352
darker: 2 (eq: False, dd: True), confidence: 2, worker: A10QRO2MWG7AZ7
darker: 1 (eq: False, dd: False), confidence: 2, worker: A38BNV13AV0S8Y
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2UKHWMBWV7LLU
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)