Here is a single color palette for an e-learning company teaching English:

1. Color Name: "Academic Blue"
   Hex Code: 
          
          #2E86C1
       
   Description: This deep blue color represents knowledge, professionalism, and trust. It creates a sense of reliability and stability, making it suitable for the e-learning company's branding.

2. Color Name: "Interactive Green"
   Hex Code: 
          
          #52BE80
       
   Description: This vibrant green color symbolizes growth, innovation, and interactivity. It reflects the dynamic nature of the e-learning platform and encourages engagement, making learning enjoyable and exciting.

3. Color Name: "Inspire Yellow"
   Hex Code: 
          
          #F7CA18
       
   Description: This bright yellow color represents creativity, inspiration, and positivity. It stimulates the mind and encourages students to think outside the box, fostering a positive learning environment.

4. Color Name: "Knowledge Gray"
   Hex Code: 
          
          #808080
       
   Description: This neutral gray color signifies wisdom, intellect, and professionalism. It provides a balanced backdrop for the other vibrant colors in the palette, symbolizing the solid foundation of knowledge imparted by the e-learning company.

5. Color Name: "Communication Orange"
   Hex Code: 
          
          #E67E22
       
   Description: This energetic orange color represents effective communication, collaboration, and enthusiasm. It encourages active participation and fosters a sense of community within the e-learning platform.

This color palette combines a mix of authoritative and lively colors to create a visually appealing and engaging learning experience for students.