diff --git a/units/on_screen_keyboard.cpp b/units/on_screen_keyboard.cpp
index 789a0d0..0a5dc15 100644
--- a/units/on_screen_keyboard.cpp
+++ b/units/on_screen_keyboard.cpp
@@ -39,8 +39,12 @@ OnScreenKeyboard::OnScreenKeyboard(SDL_Renderer *renderer, Input *input, string
 
     // Rellena la textura del cursor
     SDL_SetRenderTarget(renderer, textureCursor);
-    SDL_SetRenderDrawColor(renderer, 255, 0, 0, 128);
+    color_t c = {192, 0, 0};
+    SDL_SetRenderDrawColor(renderer, c.r, c.g, c.b, 255);
     SDL_RenderClear(renderer);
+    c = lightenColor(c, 20);
+    SDL_SetRenderDrawColor(renderer, c.r, c.g, c.b, 255);
+    SDL_RenderDrawRect(renderer, NULL);
     SDL_SetRenderTarget(renderer, nullptr);
 }
 
@@ -77,6 +81,9 @@ void OnScreenKeyboard::fillTexture()
     // Establece el color de fondo
     SDL_SetRenderDrawColor(renderer, bgColor.r, bgColor.g, bgColor.b, 255);
     SDL_RenderClear(renderer);
+    color_t color = lightenColor(bgColor, 20);
+    SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, 255);
+    SDL_RenderDrawRect(renderer, NULL);
 
     // Escribe el texto que aparece en el objeto
     text->write(text->getCharacterSize(), text->getCharacterSize(), caption);