Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.880748857897
Darker point darker score: 0.142825340595
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1GY0P2ZEJ1RK7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3D2AKUFNQD73Y
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KWFRKBCLPQXZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1XYJZ1AFNUURD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)