Color Palette:

1. Color Name: Midnight Blue
   Hex Code: 
                            
                            #191970
                        
   Palette Description: This deep and rich shade of blue resembles the dark sky during midnight. It exudes a sense of calmness and tranquility, perfect for creating a soothing and elegant atmosphere on the 株式会社JOETSUウェブサイト.

2. Color Name: Blush Pink
   Hex Code: 
                            
                            #FFB6C1
                        
   Palette Description: Soft and delicate, this blush pink shade adds a touch of femininity and grace to the website. It evokes feelings of warmth and tenderness, making it an ideal choice for accentuating important elements on the page.

3. Color Name: Ivory
   Hex Code: 
                            
                            #FFFFF0
                        
   Palette Description: This pale and creamy off-white shade, resembling the color of ivory, brings a sense of purity and cleanliness to the website. It serves as a neutral background color, allowing other elements to stand out while maintaining an overall harmonious design.

4. Color Name: Sage Green
   Hex Code: 
                            
                            #BCCE9A
                        
   Palette Description: Inspired by the soothing tones of nature, this muted green shade provides a refreshing and calming effect. It represents growth, harmony, and balance, making it an excellent choice for creating a welcoming and eco-friendly atmosphere on the website.

5. Color Name: Goldenrod
   Hex Code: 
                            
                            #DAA520
                        
   Palette Description: This warm and vibrant shade of yellow resembles the color of goldenrod flowers. It brings a sense of energy and optimism to the website, making it visually appealing and eye-catching. It can be used to highlight important calls-to-action or to add a touch of brightness to the design.

6. Color Name: Charcoal Gray
   Hex Code: 
                            
                            #36454F
                        
   Palette Description: This deep and dark shade of gray, reminiscent of charcoal, adds depth and sophistication to the website. It provides a strong contrast against lighter colors, making it an ideal choice for text or other important information that needs to be easily readable.

Overall, this color palette combines deep blues, soft pinks, neutral whites, calming greens, vibrant yellows, and sophisticated grays to create a visually appealing and harmonious design for the 株式会社JOETSUウェブサイト.