Here’s a vibrant and playful color palette inspired by your request, featuring colors like #FFC340 , #FF5378 , and sky blue, perfect for a cartoony aesthetic:

 <Cartoon Brights>
1. Sunny Yellow - 
                            
                            #FFC340
                         - A cheerful and warm yellow that evokes happiness and energy.
2. Bubblegum Pink - 
                            
                            #FF5378
                         - A vibrant pink that adds a playful and lively touch to the palette.
3. Sky Blue - 
                            
                            #00BFFF
                         - A bright and refreshing blue that brings a sense of calm and fun.
4. Lime Green - 
                            
                            #A8E600
                         - A zesty lime green that adds a pop of freshness and excitement to the design.
5. Orange Slice - 
                            
                            #FF8C00
                         - A bright and tangy orange that enhances the playful nature of the palette.

This set of colors can be used effectively in various elements of a cartoony design, from backgrounds to buttons, ensuring a fun and engaging user experience.

Would you like to see specific applications of these colors in design elements, or do you have any other themes or combinations in mind?