Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.879944077135
Darker point darker score: 0.879732103723
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1AS714Z27IV3X (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AEHEZAYCPWF0E
darker: 1 (eq: False, dd: True), confidence: 2, worker: AEHEZAYCPWF0E
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: E (eq: True, dd: None), confidence: 2, worker: A35Y9YHW91OY2U (marked invalid)
(0: guessing, 1: probably, 2: definitely)