Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.970104446955
Darker point darker score: 0.989519851895
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3VO5CW9ZY22MZ
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1NQZHW4RY6IDR
darker: 1 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A350DTTUYQLHKJ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3UIVQJXY62XU8
(0: guessing, 1: probably, 2: definitely)