Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.879732103742
Darker point darker score: 0.879732104086
darker: 2 (eq: False, dd: True), confidence: 0, worker: A7WI4XSAIFD7J (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2ZRJMJTE6ID97
darker: 2 (eq: False, dd: True), confidence: 1, worker: APLPGURGFU8KN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BYJ41HX5ZUCW (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NBD6P0INJB4G
(0: guessing, 1: probably, 2: definitely)