Color Palette:

1. Color Name: Chestnut
   Hex Code: 
          
          #954535
       
   Palette Description: This rich, deep brown color represents the blossoming chestnut trees mentioned in the query. It adds warmth and earthiness to the palette.

2. Color Name: Dnipro Wave
   Hex Code: 
          
          #004E7A
       
   Palette Description: Inspired by the wave of the Dnipro river mentioned in the query, this vibrant blue shade adds a refreshing and lively touch to the palette.

3. Color Name: Youthful Lilac
   Hex Code: 
          
          #B889C3
       
   Palette Description: Symbolizing the youthfulness mentioned in the query, this soft lilac shade brings a sense of delicacy and innocence to the palette.

4. Color Name: Ivory Soap
   Hex Code: 
          
          #F4F2F0
       
   Palette Description: Reflecting the mention of "cleanliness" and "soap" in the query, this pale ivory color represents purity and freshness.

5. Color Name: Happiness Yellow
   Hex Code: 
          
          #F7D04D
       
   Palette Description: Portraying the concept of happiness mentioned in the query, this bright yellow shade adds a cheerful and uplifting element to the palette.

6. Color Name: My Love Red
   Hex Code: 
          
          #D50000
       
   Palette Description: Representing the phrase "you are my happiness," this passionate red hue conveys love and strong emotions in the palette.

Overall Palette Description: This color palette captures the essence of the query, with warm and earthy tones inspired by chestnut trees, vibrant blues representing the Dnipro river, soft lilacs symbolizing youthfulness, pale ivory for cleanliness, bright yellow for happiness, and passionate red for love.