Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.96723239143
Darker point darker score: 1.04899577732
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3FHD8CKWUQK61
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14BFNH96MJQH
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2YAM0NOL7EQNG
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2ZRJMJTE6ID97
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1Z3RPPYNUUT0Z
(0: guessing, 1: probably, 2: definitely)