Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.891386458211
Darker point darker score: 0.889443382083
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3DKW5X4Y1Z6UD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A60085NFAM25W
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1TM1ZFU4OIPTD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)