Can SDL customize border colors?

1#include <SDL.h>
2
3int main() {
4  SDL_Init(SDL_INIT_VIDEO);
5
6  SDL_Window* Window{SDL_CreateWindow(
7    "Custom Border",
8    SDL_WINDOWPOS_CENTERED,
9    SDL_WINDOWPOS_CENTERED,
10    800, 600,
11    SDL_WINDOW_BORDERLESS 
12  )};
13
14  SDL_Renderer* Renderer{SDL_CreateRenderer(
15    Window, -1, 0)};
16
17  // Render a custom border
18  SDL_SetRenderDrawColor(Renderer,
19    255, 0, 0, 255); // Red
20  SDL_Rect Border{0, 0, 800, 600};
21  SDL_RenderFillRect(Renderer, &Border);
22
23  SDL_SetRenderDrawColor(Renderer,
24    0, 0, 0, 255); // Black client area
25  SDL_Rect ClientArea{10, 10, 780, 580}; 
26  SDL_RenderFillRect(Renderer, &ClientArea);
27
28  SDL_RenderPresent(Renderer);
29  SDL_Delay(3000);
30
31  SDL_DestroyRenderer(Renderer);
32  SDL_DestroyWindow(Window);
33  SDL_Quit();
34}