define colors

src/client/styles/scss/theme/antarctic.scss

@@ -13,10 +13,41 @@
 // $light: #;
 // $dark: #;
 
+$themecolor: #000080;
+$themelight: #f0f8ff;
+$accentcolor: #ffd700;
+
 //== Light Mode
 //
 html:not([dark]) {
-  $primary: yellow;
+  $primary: $themecolor;
+
+  // Background colors
+  $bgcolor-global: $themelight;
+  $bgcolor-navbar: #334455;
+  $bgcolor-inline-code: #f9f2f4;
+  $bgcolor-card: #f5f5f5;
+
+  // Font colors
+  $color-global: $themecolor;
+  $color-reversal: #eeeeee;
+  // $color-header: #2b2b2b;
+  $color-link: lighten($primary, 20%);
+  $color-link-hover: lighten($color-link, 20%);
+  $color-link-wiki: lighten($primary, 20%);
+  $color-link-wiki-hover: lighten($color-link-wiki, 20%);
+  $color-inline-code: #c7254e;
+
+  // Logo colors
+  $fillcolor-logo-mark: lighten(desaturate($bgcolor-navbar, 10%), 15%);
+
+  // Border colors
+  $border-color-theme: #ccc; // former: `$navbar-border: #ccc;`
+
+  // Dropdown colors
+  $bgcolor-dropdown-link-active: $growi-blue;
+  $color-dropdown-link-active: $color-reversal;
+  $color-dropdown-link-hover: $color-global;
 
   @import 'apply-colors';
   @import 'apply-colors-light';
@@ -25,6 +56,37 @@ html:not([dark]) {
 //== Dark Mode
 //
 html[dark] {
+  $primary: #d65a31;
+
+  $basecolor: #222831;
+
+  // Background colors
+  $bgcolor-global: $basecolor;
+  $bgcolor-navbar: #151515;
+  $bgcolor-inline-code: darken($basecolor, 5%);
+  $bgcolor-card: darken($basecolor, 5%);
+
+  // Font colors
+  $color-global: #eeeeee;
+  $color-reversal: #333333;
+  // $color-header: desaturate($primary, 20%);
+  $color-link: $primary;
+  $color-link-hover: lighten($color-link, 10%);
+  $color-link-wiki: lighten($basecolor, 50%);
+  $color-link-wiki-hover: darken($color-link-wiki, 5%);
+  $color-inline-code: #c7254e;
+
+  // Logo colors
+  $fillcolor-logo-mark: #444;
+
+  // Border colors
+  $border-color-theme: black; // former: `$navbar-border: #ccc;`
+
+  // Dropdown colors
+  $bgcolor-dropdown-link-active: $primary;
+  $color-dropdown-link-active: $color-global;
+  $color-dropdown-link-hover: $color-reversal;
+
   @import 'apply-colors';
   @import 'apply-colors-dark';
 }