From 10f830c3efcddeb0a40348f100db1ef0344b4971 Mon Sep 17 00:00:00 2001
From: Dave T <17680170+davet2001@users.noreply.github.com>
Date: Sun, 28 Nov 2021 19:12:40 +0000
Subject: [PATCH] Correct bitmask for third color (blue) scaling. (#2817)

---
 esphome/components/display/display_color_utils.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/display/display_color_utils.h b/esphome/components/display/display_color_utils.h
index 8fc3b0adb9..202de912de 100644
--- a/esphome/components/display/display_color_utils.h
+++ b/esphome/components/display/display_color_utils.h
@@ -42,7 +42,7 @@ class ColorUtil {
                        ? esp_scale(((colorcode >> third_bits) & ((1 << second_bits) - 1)), ((1 << second_bits) - 1))
                        : esp_scale(((colorcode >> 8) & 0xFF), ((1 << second_bits) - 1));
 
-    third_color = (right_bit_aligned ? esp_scale(((colorcode >> 0) & 0xFF), ((1 << third_bits) - 1))
+    third_color = (right_bit_aligned ? esp_scale(((colorcode >> 0) & ((1 << third_bits) - 1)), ((1 << third_bits) - 1))
                                      : esp_scale(((colorcode >> 0) & 0xFF), (1 << third_bits) - 1));
 
     Color color_return;