diff --git a/lua/mellifluous/highlights/plugins/gitsigns.lua b/lua/mellifluous/highlights/plugins/gitsigns.lua
index 826b727..bca056b 100644
--- a/lua/mellifluous/highlights/plugins/gitsigns.lua
+++ b/lua/mellifluous/highlights/plugins/gitsigns.lua
@@ -1,9 +1,15 @@
 local M = {}
 
+local function replicate_floating_shade(hl, diff_bg_color)
+    local shader = require("mellifluous.utils.shader")
+    return shader.replicate_shade(hl.get("Normal").bg, hl.get("NormalFloat").bg, diff_bg_color)
+end
+
 function M.set(hl, colors)
     local bg = hl.get("SignColumn").bg
     local config = require("mellifluous.config").config
 
+    -- signs
     if config.is_bg_dark then
         hl.set("GitSignsAdd", { fg = colors.green:with_lightness(40):with_saturation(60), bg = bg })
         hl.set("GitSignsChange", { fg = colors.orange:with_lightness(55):with_saturation(80), bg = bg })
@@ -13,6 +19,21 @@ function M.set(hl, colors)
         hl.set("GitSignsChange", { fg = colors.orange:with_lightness(70):with_saturation(80), bg = bg })
         hl.set("GitSignsDelete", { fg = colors.red:with_lightness(75):with_saturation(80), bg = bg })
     end
+
+    -- preview of change
+    hl.set("GitSignsDeletePreview", { bg = replicate_floating_shade(hl, hl.get("DiffDelete").bg) })
+    hl.set("GitSignsAddPreview", { bg = replicate_floating_shade(hl, hl.get("DiffAdd").bg) })
+    hl.set("GitSignsChangePreview", { bg = replicate_floating_shade(hl, hl.get("DiffChange").bg) })
+
+    local inline_lightnened_val = 8
+    hl.set("GitSignsDeleteInline", { bg = hl.get("GitSignsDeletePreview").bg:lightened(inline_lightnened_val) })
+    hl.set("GitSignsAddInline", { bg = hl.get("GitSignsAddPreview").bg:lightened(inline_lightnened_val) })
+    hl.set("GitSignsChangeInline", { bg = hl.get("GitSignsChangePreview").bg:lightened(inline_lightnened_val) })
+
+    -- in-place preview of change (without floating window)
+    hl.set("GitSignsDeleteLnInline", { bg = hl.get("DiffDelete").bg:lightened(inline_lightnened_val) })
+    hl.set("GitSignsAddLnInline", { bg = hl.get("DiffAdd").bg:lightened(inline_lightnened_val) })
+    hl.set("GitSignsChangeLnInline", { bg = hl.get("DiffChange").bg:lightened(inline_lightnened_val) })
 end
 
 return M