diff --git a/esphome/components/tcs34725/tcs34725.cpp b/esphome/components/tcs34725/tcs34725.cpp
index 88c59eb761..9bb7c9a3b2 100644
--- a/esphome/components/tcs34725/tcs34725.cpp
+++ b/esphome/components/tcs34725/tcs34725.cpp
@@ -211,7 +211,7 @@ void TCS34725Component::update() {
   if (raw_c == 0) {
     channel_c = channel_r = channel_g = channel_b = 0.0f;
   } else {
-    float max_count = this->integration_time_ * 1024.0f / 2.4;
+    float max_count = this->integration_time_ <= 153.6f ? this->integration_time_ * 1024.0f / 2.4f : 65535.0f;
     float sum = raw_c;
     channel_r = raw_r / sum * 100.0f;
     channel_g = raw_g / sum * 100.0f;