diff --git a/package-lock.json b/package-lock.json
index fcf15cf..b402d62 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,16 +1,17 @@
 {
   "name": "convert-to-oklch",
-  "version": "1.0.0",
+  "version": "1.0.8",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "convert-to-oklch",
-      "version": "1.0.0",
+      "version": "1.0.8",
       "license": "MIT",
       "dependencies": {
         "colorjs.io": "^0.4.0",
         "commander": "^9.4.0",
+        "picocolors": "^1.0.0",
         "postcss": "^8.4.16"
       },
       "bin": {
@@ -18,6 +19,9 @@
       },
       "devDependencies": {
         "jest": "^28.1.3"
+      },
+      "engines": {
+        "node": ">=16"
       }
     },
     "node_modules/@ampproject/remapping": {
diff --git a/package.json b/package.json
index cd944d1..d938f82 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "convert-to-oklch",
-  "version": "1.0.8",
+  "version": "1.0.9",
   "description": "CLI tool that converts rgb(), rgba(), hex, hsl() and hsla() colors to oklch() in specified CSS files.",
   "main": "./src/index.js",
   "bin": {
@@ -39,6 +39,7 @@
   "dependencies": {
     "colorjs.io": "^0.4.0",
     "commander": "^9.4.0",
+    "picocolors": "^1.0.0",
     "postcss": "^8.4.16"
   },
   "devDependencies": {
diff --git a/src/index.js b/src/index.js
index aff4017..73c27b8 100755
--- a/src/index.js
+++ b/src/index.js
@@ -3,6 +3,7 @@ const { program } = require("commander");
 const packageVersion = require("../package.json").version;
 const postcss = require("postcss");
 const fs = require("fs");
+const pc = require("picocolors")
 const plugin = require("./plugin");
 
 program
@@ -13,6 +14,11 @@ program
   .version(packageVersion);
 
 program.argument("<path>", "path to css files").action(async (path) => {
+  if (!fs.existsSync(path)) {
+    console.error(pc.bgRed("File doesn't exist"));
+    process.exit(1);
+  }
+
   const css = fs.readFileSync(path, "utf-8");
 
   const result = await postcss([plugin])
@@ -20,9 +26,9 @@ program.argument("<path>", "path to css files").action(async (path) => {
     .toString();
 
   await fs.writeFile(path, result, (err) => {
-    if (err) console.error(err);
+    if (err) console.error(pc.bgRed(err));
 
-    console.log("Done!");
+    console.log(pc.bgGreen("Done!"));
   });
 });