Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.880904325644
Darker point darker score: 0.971427965112
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1GM94HPPS4SS0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
(0: guessing, 1: probably, 2: definitely)