Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.88725757399
Darker point darker score: 0.939982324318
darker: 1 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2C1Z52F4B0CG1
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2S2GW07EAHPNA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)