Made this database from my own associations with chords over years of exploring them. Hope it can help inspire or give you intentional direction!
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My personal associations:
Major: 1 3 5 - warm, bright, innocent, happy
Minor: 1 b3 5 - smooth, dark, thoughtful, sad
Maj7: 1 3 5 7 - smooth, sweet, longing, romantic
Maj9: 1 3 5 7 9 - beautiful, confident
Min7: 1 b3 5 b7 - smooth, cool, touch of funk
Min9: 1 b3 5 b7 9 - pulling on heart strings, meloncholy, rainy
CMajb13: 1 3 5 b6 - bright suspense, curious, detective vibe, superhero wonder
Diminished: 1 b3 b5 - Shocking, tense
Min7b5: 1 b3 b5 b7 - Tense, but with a touch of smooth
Diminished7th: 1 b3 b5 bb7 - Shocking, villain, train coming to run you over
MinMaj7: 1 b3 5 7 - Intrigue, shocking, discovering something (!)
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