diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 2a78230fbed..2deb20cf911 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -134,6 +134,7 @@ RSpec.configure do |config|
 
     unfreeze_time
     ActionMailer::Base.deliveries.clear
+    ColorScheme.hex_cache.clear
 
     raise if ActiveRecord::Base.connection_pool.stat[:busy] > 1
   end