diff --git a/README.md b/README.md
index b88b8d07..05d5f48c 100644
--- a/README.md
+++ b/README.md
@@ -458,6 +458,23 @@ native_lsp = {
 </tr>
 <!-- coc.nvim -->
 
+<!-- colorful-winsep.nvim -->
+</tr>
+<tr>
+<td> <a href="https://github.com/nvim-zh/colorful-winsep.nvim">colorful-winsep.nvim</a>
+</td>
+<td>
+
+```lua
+colorful_winsep = {
+    enabled = false,
+    color = "red",
+}
+```
+</td>
+</tr>
+<!-- colorful_winsep.nvim -->
+
 <!-- dashboard-nvim -->
 </tr>
 <tr>
diff --git a/doc/catppuccin.txt b/doc/catppuccin.txt
index a4a4f9d8..18de181d 100644
--- a/doc/catppuccin.txt
+++ b/doc/catppuccin.txt
@@ -343,6 +343,13 @@ coc.nvim>lua
     coc_nvim = false
 <
 
+colorful-winsep>lua
+    colorful_winsep = {
+	enabled = false,
+	color = 'red' -- a catpuccin color to use for the window separator
+    },
+<
+
 Special ~
 
 Setting `enabled` to `true` enables this integration.
diff --git a/lua/catppuccin/groups/integrations/colorful_winsep.lua b/lua/catppuccin/groups/integrations/colorful_winsep.lua
new file mode 100644
index 00000000..d4d5f885
--- /dev/null
+++ b/lua/catppuccin/groups/integrations/colorful_winsep.lua
@@ -0,0 +1,9 @@
+local M = {}
+
+function M.get()
+	return {
+		NvimSeparator = { bg = C.base, fg = C[O.integrations.colorful_winsep.color] },
+	}
+end
+
+return M
diff --git a/lua/catppuccin/init.lua b/lua/catppuccin/init.lua
index da9ecb66..8c0db2de 100644
--- a/lua/catppuccin/init.lua
+++ b/lua/catppuccin/init.lua
@@ -96,6 +96,10 @@ local M = {
 				enabled = true,
 				color_mode = false,
 			},
+			colorful_winsep = {
+				enabled = false,
+				color = "red",
+			},
 		},
 		color_overrides = {},
 		highlight_overrides = {},
diff --git a/lua/catppuccin/types.lua b/lua/catppuccin/types.lua
index 22da8abc..e876fc9d 100644
--- a/lua/catppuccin/types.lua
+++ b/lua/catppuccin/types.lua
@@ -118,6 +118,7 @@
 ---```
 ---@field barbecue CtpIntegrationBarbecue | boolean?
 ---@field beacon boolean?
+---@field colorful_winsep CtpIntegrationColorfulWinsep | boolean?
 ---@field cmp boolean?
 -- `coc.nvim` links to `native_lsp` highlight groups, so you can use
 -- `native_lsp.virtual_text` and `native_lsp.underlines` to style diagnostics.
@@ -210,6 +211,12 @@
 -- Whether the directory name should be dimmed.
 ---@field dim_dirname boolean?
 
+---@class CtpIntegrationColorfulWinsep
+-- Whether to enable the colorful-winsep integration.
+---@field enabled boolean
+-- Set to a Catppuccin color name to use for the split separator.
+---@field color CtpColor?
+
 ---@class CtpIntegrationDropbar
 -- Whether to enable the dropbar integration.
 ---@field enabled boolean