Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.997900862416
Darker point darker score: 0.967086714987
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3N21HBZFYFEXJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2OF0GTKWKM2T5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1XX6ZVVS2UTO7 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
darker: 2 (eq: False, dd: True), confidence: 2, worker: AFO6OUDRVZ317
(0: guessing, 1: probably, 2: definitely)