Based on the colors you provided, here is a web-friendly color palette that maintains good contrast and usability in interface design:

 <Green and Purple Theme> 
1. Background - 
                            
                            #FFFFFF
                         - A clean, white background that enhances readability and provides a neutral base for the design.
2. Text - 
                            
                            #333333
                         - A dark gray text color that offers excellent contrast against the white background, ensuring legibility.
3. Primary Action - 
                            
                            #009999
                         - A vibrant teal color that serves as the primary action button, attracting user attention effectively.
4. Secondary Action - 
                            
                            #CC9933
                         - A warm orange that can be used for secondary buttons or actions, providing a nice contrast to the primary color.
5. Accent - 
                            
                            #7766BC
                         - A soft purple that can be used for highlights or decorative elements, adding a touch of color without overwhelming the design.

Color Palette Description:

This palette combines calming teal and purple tones with vibrant orange, creating a balanced and visually appealing interface. The contrast between the text and background ensures readability, while the primary and secondary action colors guide user interactions effectively.

Follow-up Questions:

1. What kind of application or website are you designing with this color palette?
2. Do you have any specific branding or style guidelines that need to be considered?
3. Would you like to explore variations of this palette or additional colors?