Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.931968719306
Darker point darker score: 0.495407190912
darker: 2 (eq: False, dd: True), confidence: 2, worker: A287QNZ2AOSKPT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DU0G52OTCO5K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
(0: guessing, 1: probably, 2: definitely)