Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.942426233419
Darker point darker score: 1.07685267777
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1BDXEYA4AO9X0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2LT5VXO2LS0UL (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106ZSJP3CLBE4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 2, worker: A216Z8XU0OZD03
darker: 2 (eq: False, dd: True), confidence: 2, worker: A11KMASRERFP0V
(0: guessing, 1: probably, 2: definitely)