patch 8.1.1595: MS-Windows with VIMDLL: colors wrong in console commit https://github.com/vim/vim/commit/88c47aa692a4b1061f86624ea2503f31314f3975 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jun 26 00:34:15 2019 +0200 patch 8.1.1595: MS-Windows with VIMDLL: colors wrong in console Problem: MS-Windows with VIMDLL: colors wrong in console. Solution: Do not set the GUI colors when not using the GUI. (Ken Takata, closes #4588)

--- a/src/syntax.c
+++ b/src/syntax.c
@@ -9554,6 +9554,10 @@ set_hl_attr(
 	at_en.ae_u.cterm.bg_color = sgp->sg_cterm_bg;
 # ifdef FEAT_TERMGUICOLORS
 #  ifdef MSWIN
+#   ifdef VIMDLL
+	// Only when not using the GUI.
+	if (!gui.in_use && !gui.starting)
+#   endif
 	{
 	    int id;
 	    guicolor_T fg, bg;