Creating a comprehensive color palette of 50 colors inspired by “ICO”, “Shadow of the Colossus”, and “The Last Guardian” will provide a rich variety of hues that reflect the themes, environments, and emotional tones of these games. Here’s an extended palette:

 <Extended Game-Inspired Palette> 
1. Misty Blue - 
                            
                            #A0B3C1
                         - A soft, muted blue reminiscent of the serene skies and tranquil settings in the games.  
2. Earthy Green - 
                            
                            #8A9A5B
                         - A natural, earthy green that reflects the lush environments and overgrown landscapes found in the games.  
3. Dusty Beige - 
                            
                            #D1C6B5
                         - A warm beige that evokes the ancient ruins and sandy textures that are prevalent throughout the game worlds.  
4. Deep Charcoal - 
                            
                            #4A4A4A
                         - A dark charcoal representing the shadows and the mysterious elements within the game narratives.  
5. Warm Rust - 
                            
                            #B75D3A
                         - A warm, rust-toned color that captures the sense of age and history present in the environments and creatures.  
6. Soft Lavender - 
                            
                            #E2D1E2
                         - A gentle lavender that adds a touch of whimsy and fantasy to the palette.  
7. Ocean Teal - 
                            
                            #007A8E
                         - A deep teal that reflects the water elements and the tranquility of nature.  
8. Golden Sand - 
                            
                            #D6CBA8
                         - A sandy gold that embodies the sunlit landscapes and warm atmospheres.  
9. Stone Gray - 
                            
                            #B7B3A8
                         - A muted gray that symbolizes the stone structures and ruins in the games.  
10. Forest Moss - 
                            
                            #4F6B4F
                         - A deep mossy green that denotes the rich foliage and greenery of the environments.  
11. Twilight Purple - 
                            
                            #5C4B8A
                         - A deep purple that suggests the mystery of twilight and the unknown.  
12. Rusty Orange - 
                            
                            #C25B24
                         - A vibrant orange that brings warmth and energy to the palette.  
13. Foggy White - 
                            
                            #F7F7F7
                         - A very light grayish-white that captures the ethereal quality of fog and mist.  
14. Cool Slate - 
                            
                            #7A8D9D
                         - A cool slate blue that adds depth and calmness to the design.  
15. Ember Red - 
                            
                            #D84D3D
                         - A warm red that evokes feelings of passion and intensity.  
16. Wheat Yellow - 
                            
                            #E2C78E
                         - A soft yellow that reflects sunlight and warmth.  
17. Deep Sea Blue - 
                            
                            #003D5B
                         - A dark blue that embodies the depths of the ocean and its mysteries.  
18. Pale Peach - 
                            
                            #F4D4C4
                         - A soft peach that adds a gentle touch of warmth and approachability.  
19. Charcoal Brown - 
                            
                            #3B2C2C
                         - A rich brown that symbolizes the earth and grounding elements.  
20. Cerulean Sky - 
                            
                            #2A9DDA
                         - A bright cerulean that suggests clear skies and endless possibilities.  
21. Olive Green - 
                            
                            #6B6F3A
                         - An earthy olive that represents the wild and untamed aspects of nature.  
22. Warm Taupe - 
                            
                            #B69A8A
                         - A warm taupe that adds a cozy and inviting feel.  
23. Silver Mist - 
                            
                            #B9C4C8
                         - A soft silver that captures the essence of weathered stone.  
24. Midnight Blue - 
                            
                            #2E1A47
                         - A deep blue that reflects the mysteries of nighttime adventures.  
25. Coral Pink - 
                            
                            #FF6F61
                         - A vibrant pink that adds a playful touch to the palette.  
26. Rustic Clay - 
                            
                            #C57B5D
                         - A warm clay color that evokes artisanal craftsmanship.  
27. Cool Mint - 
                            
                            #A7D1CB
                         - A soft mint green that adds freshness and calmness.  
28. Warm Gray - 
                            
                            #A89F91
                         - A versatile warm gray that serves as a neutral base.  
29. Rich Burgundy - 
                            
                            #7E1F3D
                         - A deep burgundy that adds richness and depth.  
30. Soft Gold - 
                            
                            #D4C89E
                         - A gentle gold that reflects the glow of sunlight.  
31. Honey Brown - 
                            
                            #A25A2D
                         - A warm honey brown that brings a sense of comfort.  
32. Seafoam Green - 
                            
                            #A4D1C5
                         - A refreshing green that represents coastal waters.  
33. Dusty Rose - 
                            
                            #E8B7C1
                         - A muted rose that adds a romantic touch.  
34. Light Slate Blue - 
                            
                            #9BB2C7
                         - A light slate blue that evokes calm waters.  
35. Ash Gray - 
                            
                            #B2B2B2
                         - A neutral ash gray that serves as a balancing color.  
36. Bright Lime - 
                            
                            #A8D88B
                         - A lively lime green that adds a pop of energy.  
37. Soft Indigo - 
                            
                            #7C92B8
                         - A soft indigo that conveys depth and contemplation.  
38. Pale Cyan - 
                            
                            #B2E1E3
                         - A soft cyan that reflects the beauty of clear waters.  
39. Charred Black - 
                            
                            #1C1C1C
                         - A deep black that adds drama and contrast.  
40. Bright Coral - 
                            
                            #FF9A8D
                         - A bright coral that injects vibrancy and life.  
41. Light Olive - 
                            
                            #C1C74A
                         - A light olive green that suggests growth and renewal.  
42. Warm Clay - 
                            
                            #D1B2A1
                         - A soft clay color that brings a sense of earthiness.  
43. Faded Teal - 
                            
                            #A0B0B0
                         - A faded teal that adds a vintage quality.  
44. Lavender Gray - 
                            
                            #D8C4D4
                         - A soft grayish lavender that adds an ethereal touch.  
45. Soft Charcoal - 
                            
                            #5B5B5B
                         - A medium gray that balances lighter and darker tones.  
46. Cloud White - 
                            
                            #F2F2F2
                         - A very light white that evokes the feeling of clouds.  
47. Warm Plum - 
                            
                            #6F4C7A
                         - A warm plum that adds richness and depth.  
48. Fresh Fern - 
                            
                            #4E7F4D
                         - A fresh, lively green that represents life and growth.  
49. Sandy Taupe - 
                            
                            #C9B0A6
                         - A sandy taupe that serves as a versatile neutral.  
50. Light Cherry - 
                            
                            #FFB3B3
                         - A soft cherry pink that adds a gentle warmth.  

This extended palette provides a wide range of colors that reflect the emotional and atmospheric depth of the three games. Each color can be used to represent different elements, themes, and feelings associated with the game worlds.

What specific applications do you have in mind for this color palette? Are you working on a game, an art project, or perhaps something else?