Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.879732629964
Darker point darker score: 0.891364270278
darker: 1 (eq: False, dd: True), confidence: 1, worker: AG0X3PQK2FWQJ
darker: E (eq: True, dd: None), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2DTELFC4X0QJQ
darker: 1 (eq: False, dd: True), confidence: 1, worker: AEHEZAYCPWF0E
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1XVZCQ983ETMR
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)