[gnome-builder/wip/exalm/headerbar] libide/gui: Increase header bar contrast for light

[Alexander Mikhaylenko <alexm src gnome org>]

commit 2af8ff97be2833738438d2f5ebd81e668f267f74
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Jul 20 05:33:18 2022 +0400

    libide/gui: Increase header bar contrast for light
    
    It way more similar to the window bg color than with the default colors.

 src/libide/gui/ide-recoloring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libide/gui/ide-recoloring.c b/src/libide/gui/ide-recoloring.c
index 21b5124d4..ca3e47382 100644
--- a/src/libide/gui/ide-recoloring.c
+++ b/src/libide/gui/ide-recoloring.c
@@ -247,7 +247,7 @@ _ide_recoloring_generate_css (GtkSourceStyleScheme *style_scheme)
   if (get_metadata_color (style_scheme, "headerbar_bg_color", &color))
     define_color (str, "headerbar_bg_color", &color);
   else if (has_bg && has_fg)
-    define_color_mixed (str, "headerbar_bg_color", &text_bg, &text_fg, .05);
+    define_color_mixed (str, "headerbar_bg_color", &text_bg, &text_fg, .085);
   else if (is_dark)
     define_color_mixed (str, "headerbar_bg_color", &text_bg, alt, .025);
   else