Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.06313878454
Darker point darker score: 1.06628251028
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RNCUQDU5AVEI
darker: 2 (eq: False, dd: True), confidence: 0, worker: AGDDGSV1IQ0Z4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3N6C8962TXPVH
darker: 2 (eq: False, dd: True), confidence: 2, worker: AVUB4GDC2GE48 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2MBCZMW1IBAK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1XYJZ1AFNUURD
(0: guessing, 1: probably, 2: definitely)