diff --git a/packages/sync-server/src/util/middlewares.js b/packages/sync-server/src/util/middlewares.js
index 37fd559dfd..9db5bdae52 100644
--- a/packages/sync-server/src/util/middlewares.js
+++ b/packages/sync-server/src/util/middlewares.js
@@ -48,7 +48,9 @@ const validateSessionMiddleware = async (req, res, next) => {
 const requestLoggerMiddleware = expressWinston.logger({
   transports: [new winston.transports.Console()],
   format: winston.format.combine(
-    winston.format.colorize(),
+    ...(Object.prototype.hasOwnProperty.call(process.env, 'NO_COLOR')
+      ? []
+      : [winston.format.colorize()]),
     winston.format.timestamp(),
     winston.format.printf(args => {
       const { timestamp, level, meta } = args;
diff --git a/upcoming-release-notes/5676.md b/upcoming-release-notes/5676.md
new file mode 100644
index 0000000000..946cd822a0
--- /dev/null
+++ b/upcoming-release-notes/5676.md
@@ -0,0 +1,6 @@
+---
+category: Enhancements
+authors: [michaelsanford]
+---
+
+Add NO_COLOR standard environment flag to sync-server logging (https://no-color.org/).