[MangaD]

It is possible to change the HFE forum colors using a browser add-on called Stylus.

1. Install Stylus on your browser.
Chrome | Firefox | Opera

2. Create a new style and add the following content:
(You can change the colors obviously!)

@-moz-document url-prefix(https://hf-empire.com/forum/)
{
 :root {
 --main-color: #AC221F !important;
 --grad-color: #474747 !important;
 --grad2-color: #4c4c4c !important;
 --grad3-color: #525252 !important;
 --grad4-color: #575757 !important;
 --grad5-color: #5c5c5c !important;
 --grad6-color: #616161 !important;
 --hover-color: #8C0200 !important;
 --red-overlay: rgba(172,34,31,0.9);
 --gold: #11103f !important;
 --font-color: #ffffff !important;
 --link-color: #ffffff !important;
 --bg-a: #131313 !important;
 --bg-a2: #171717 !important;
 --bg-b: #212121 !important;
 --bg-b2: #252525 !important;
 --bg-b3: #292929 !important;
 --bg-c: #323232 !important;
 --bg-c2: #393939 !important;
 --bg-d: #434343 !important;
 --bg-e: #575757 !important;
 --shadow: #222 !important;
 --popular-border: rgba(255,162,97,0.5);
 --popular-bg: rgba(0,255,0,0.04);
 }

 #logo {
 -webkit-filter: hue-rotate(-20deg) grayscale(20%);
 filter: hue-rotate(-20deg) grayscale(20%) !important;
 }
 .logo-inner {
 -webkit-filter: hue-rotate(20deg) grayscale(0%);
 filter: hue-rotate(20deg) grayscale(0%) !important;
 }
}

3. On the field "Applies to", select "URLs on the domain" and type in "hf-empire.com" without the quotes.

Note: This may not change the editor text area.