Here’s an expanded palette that incorporates additional colors to enrich the original set, providing even more versatility and options for your designs.

 <Expanded Complementary Colors for Deep Red with Orange, Tongue Color, Outline Color, and More>
1. Deep Red - 
                            
                            #771102
                         - A bold and dark red that serves as the base color.
2. Bright Orange - 
                            
                            #FFA500
                         - A vibrant orange that complements the deep red with a warm and energetic contrast.
3. Soft Cream - 
                            
                            #F5E0C3
                         - A warm, light cream color that softens the palette and adds brightness.
4. Olive Green - 
                            
                            #4A5A2A
                         - A muted olive green that adds an earthy balance to the warmth of the reds and oranges.
5. Charcoal Gray - 
                            
                            #3B3B3B
                         - A dark charcoal gray that provides depth and contrast against the brighter hues.
6. Dusty Blue - 
                            
                            #4B6F8D
                         - A soft, muted blue that offers a cool contrast to the warm tones in the palette.
7. Warm Gold - 
                            
                            #D4A522
                         - A rich gold that enhances the luxurious feel of the palette and works well with both red and orange.
8. Coral Pink - 
                            
                            #FF6F61
                         - A warm coral that bridges the red and orange tones, adding a playful touch.
9. Teal - 
                            
                            #008080
                         - A deep teal that adds a refreshing contrast and balances the warmth of the palette.
10. Light Gray - 
                            
                            #D3D3D3
                         - A soft gray that can be used as a neutral backdrop to let the bolder colors stand out.
11. Lavender - 
                            
                            #E6E6FA
                         - A pale lavender that introduces a soft, calming element to the palette.
12. Rust - 
                            
                            #B7410E
                         - A rich, earthy tone that complements the deep red and adds a rustic feel.
13. Tongue Pink - 
                            
                            #D85E8B
                         - A bright, playful pink that adds a fun and slightly slimy look to the frog monster's tongue.
14. Outline Black - 
                            
                            #1C1C1C
                         - A deep black that provides a strong, bold outline that complements all hues while enhancing the overall design.
15. Burnt Sienna - 
                            
                            #E86A4E
                         - A warm, earthy orange-brown that adds depth and richness to the palette.
16. Mint Green - 
                            
                            #98FF98
                         - A soft, pastel green that provides a refreshing contrast against the warm colors.
17. Indigo - 
                            
                            #4B0082
                         - A deep, vibrant indigo that introduces a striking contrast to the palette.
18. Peach - 
                            
                            #FFDAB9
                         - A soft peach that adds a gentle warmth and balances the stronger hues.
19. Slate Blue - 
                            
                            #6A8EAE
                         - A muted slate blue that offers a calmness and sophistication to the overall palette.
20. Light Coral - 
                            
                            #F08080
                         - A lighter variant of coral that can be used for accents or highlights throughout the design.

Description of New Colors:

• Burnt Sienna ( #E86A4E ): Adds a warm, earthy tone that pairs well with the deep red and complements the other warm colors.
• Mint Green ( #98FF98 ): Provides a refreshing and soft contrast, lightening the overall palette.
• Indigo ( #4B0082 ): A rich, deep blue that enhances the palette’s vibrancy and adds depth.
• Peach ( #FFDAB9 ): Softens the overall look while harmonizing with the reds and oranges.
• Slate Blue ( #6A8EAE ): Offers a sophisticated and muted contrast, balancing the warmth of the palette.
• Light Coral ( #F08080 ): A softer take on coral that can be used for delicate highlights.

This expanded palette offers a wide range of colors for creating depth, contrast, and variety in your designs.

Would you like to focus on specific applications for this palette, or explore other themes or concepts?