diff --git a/frontend/generate-themes.js b/frontend/generate-themes.js
index da7f06c20..ef8785203 100644
--- a/frontend/generate-themes.js
+++ b/frontend/generate-themes.js
@@ -3,7 +3,7 @@ const fs = require('fs');
 const path = require('path');
 const crypto = require('crypto');
 
-const THEMES = ['contrast', 'softsimon', 'bukele'];
+const THEMES = ['contrast', 'softsimon', 'bukele', 'nymkappa'];
 const STAGING_DIR = path.join(__dirname, '.theme-build');
 const DIST_DIR = path.join(__dirname, 'dist/mempool/browser');
 const MANIFEST_FILE = path.join(__dirname, 'theme-manifest.json');
diff --git a/frontend/src/app/app.constants.ts b/frontend/src/app/app.constants.ts
index 730da5a81..8bf6b73a2 100644
--- a/frontend/src/app/app.constants.ts
+++ b/frontend/src/app/app.constants.ts
@@ -82,6 +82,48 @@ export const contrastMempoolFeeColors = [
   'ffb700',
  ];
 
+ export const lightMempoolFeeColors = [
+  '49c284',
+  '99c246',
+  'a0c343',
+  'a7c240',
+  'b0c13c',
+  'b8c03b',
+  'bebe3a',
+  'beb238',
+  'bcac37',
+  'bba336',
+  'b99e35',
+  'b79334',
+  'b68f33',
+  'b68a32',
+  'b48430',
+  'b17f30',
+  'b07b2f',
+  'ae722e',
+  'ad6b2d',
+  'ab652b',
+  'aa5b2a',
+  'a95629',
+  'a74c28',
+  'a34126',
+  'a13a25',
+  'a02d24',
+  '9e2423',
+  '9c222a',
+  '9c2132',
+  '9b203a',
+  '99203e',
+  '972043',
+  '951f45',
+  '931e48',
+  '921d49',
+  '921c4e',
+  '901b50',
+  '8e1a53',
+  '8b1954',
+];
+
 export const chartColors = [
   '#A81524',
   '#D81B60',
diff --git a/frontend/src/app/components/theme-selector/theme-selector.component.html b/frontend/src/app/components/theme-selector/theme-selector.component.html
index e74767e21..63fce0263 100644
--- a/frontend/src/app/components/theme-selector/theme-selector.component.html
+++ b/frontend/src/app/components/theme-selector/theme-selector.component.html
@@ -3,5 +3,6 @@
         <option value="default">wiz</option>
         <option value="contrast">BlueMatt</option>
         <option value="softsimon">softsimon</option>
+        <option value="nymkappa">nymkappa</option>
     </select>
 </div>
diff --git a/frontend/src/app/components/theme-selector/theme-selector.component.ts b/frontend/src/app/components/theme-selector/theme-selector.component.ts
index 72846de6b..25a410dd9 100644
--- a/frontend/src/app/components/theme-selector/theme-selector.component.ts
+++ b/frontend/src/app/components/theme-selector/theme-selector.component.ts
@@ -12,7 +12,7 @@ import { Subscription } from 'rxjs';
 })
 export class ThemeSelectorComponent implements OnInit, OnDestroy {
   themeForm: UntypedFormGroup;
-  themes = ['default', 'contrast', 'softsimon', 'bukele'];
+  themes = ['default', 'contrast', 'softsimon', 'bukele', 'nymkappa'];
   themeStateSubscription: Subscription;
 
   constructor(
diff --git a/frontend/src/app/services/theme.service.ts b/frontend/src/app/services/theme.service.ts
index 0f184e9d2..a4c90b7cb 100644
--- a/frontend/src/app/services/theme.service.ts
+++ b/frontend/src/app/services/theme.service.ts
@@ -1,6 +1,6 @@
 import { Injectable } from '@angular/core';
 import { BehaviorSubject } from 'rxjs';
-import { defaultMempoolFeeColors, contrastMempoolFeeColors } from '@app/app.constants';
+import { defaultMempoolFeeColors, contrastMempoolFeeColors, lightMempoolFeeColors } from '@app/app.constants';
 import { StorageService } from '@app/services/storage.service';
 import { StateService } from '@app/services/state.service';
 
@@ -20,7 +20,7 @@ export class ThemeService {
   ) {
     let theme = this.stateService.env.customize?.theme || this.storageService.getValue('theme-preference') || 'default';
     // theme preference must be a valid known public theme
-    if (!this.stateService.env.customize?.theme && !['default', 'contrast', 'softsimon'].includes(theme)) {
+    if (!this.stateService.env.customize?.theme && !['default', 'contrast', 'softsimon', 'nymkappa'].includes(theme)) {
       theme = 'default';
       this.storageService.setValue('theme-preference', 'default');
     }
@@ -64,7 +64,7 @@ export class ThemeService {
           this.style.media = 'all';
           this.initialLoad = false;
         }
-        this.mempoolFeeColors = theme === 'contrast' || theme === 'bukele' ? contrastMempoolFeeColors : defaultMempoolFeeColors;
+        this.mempoolFeeColors = this.getMempoolFeeColors(theme);
         this.themeState$.next({ theme, loading: false });
       };
       this.style.onerror = () => this.apply('default');
@@ -86,4 +86,16 @@ export class ThemeService {
     }
     return `${theme}.css`;
   }
+
+  private getMempoolFeeColors(theme: string): string[] {
+    switch (theme) {
+      case 'contrast':
+      case 'bukele':
+        return contrastMempoolFeeColors;
+      case 'nymkappa':
+        return lightMempoolFeeColors;
+      default:
+        return defaultMempoolFeeColors;
+    }
+  }
 }
diff --git a/frontend/src/styles.scss b/frontend/src/styles.scss
index b4c73b2e9..ebd6de61e 100644
--- a/frontend/src/styles.scss
+++ b/frontend/src/styles.scss
@@ -97,6 +97,8 @@ $dropdown-link-active-bg: $active-bg;
   --hover-bg: #{$hover-bg};
   --fg: #{$fg};
   --nav-bg: #{$nav-bg};
+  --nav-icon: #fff;
+  --nav-shadow: #000;
   --title-fg: #{$title-fg};
 
   --primary: #{$primary};
@@ -112,9 +114,17 @@ $dropdown-link-active-bg: $active-bg;
 
   --box-bg: #171c2a;
   --stat-box-bg: #0b1018;
+  --border-subtle: rgba(255, 255, 255, 0.11);
+  --block-top: #232838;
+  --block-side: #191c27;
+  --block-goggles-overlay: #181b2d7f;
+  --mempool-block-top: #403834;
+  --mempool-block-side: #2d2825;
+  --mempool-block-loading: #554b45;
   --alert-bg: #3a1c61;
   --navbar-bg: #212121;
   --transparent-fg: #ffffffbb;
+  --footer-fg: rgba(255, 255, 255, 0.4);
   --fade-out-box-bg-start: rgba(23, 28, 42, 0);
   --fade-out-box-bg-end: rgba(23, 28, 42, 1);
   --opacity: 0.57;
@@ -148,6 +158,9 @@ $dropdown-link-active-bg: $active-bg;
   --search-button-focus: #533180;
   --search-button-shadow: #7c58ab80;
   
+  --bs-body-color: var(--fg);
+  --bs-body-bg: var(--active-bg);
+  --bs-card-color: var(--fg);
   --bs-border-radius: 0.25rem;
   --bs-btn-border-color: transparent;
   --bs-btn-disabled-border-color: transparent;
@@ -159,6 +172,7 @@ html, body {
 
 body {
   background-color: var(--active-bg);
+  color: var(--fg);
   padding-bottom: 60px;
 }
 
@@ -227,11 +241,13 @@ main {
 .form-control:focus {
   color: var(--fg);
   background-color: var(--secondary);
+  border-color: rgba(17, 19, 31, 0.2);
 }
 
 .btn-purple {
   background-color: var(--tertiary);
   border-color: var(--tertiary);
+  color: #fff;
 }
 
 .btn-purple:not(:disabled):not(.disabled):active, .btn-purple:not(:disabled):not(.disabled).active, .show > .btn-purple.dropdown-toggle {
@@ -254,7 +270,7 @@ main {
 }
 
 .form-control.form-control-secondary {
-  color: #fff;
+  color: var(--fg);
   background-color: var(--secondary);
   border: 1px solid var(--secondary);
 }
@@ -325,14 +341,14 @@ main {
 
 .progress-text {
   span {
-    color: #fff !important;
+    color: var(--fg) !important;
   }
 }
 
 .block-size, .blocks-container {
   .symbol {
     font-size: 16px;
-    color: #fff !important;
+    color: var(--fg) !important;
   }
 }
 
@@ -345,7 +361,7 @@ main {
   color: var(--fg);
   padding-top: 20px;
   padding-bottom: 10px;
-  border-top: 3px solid var(--fg);
+  border-top: 3px solid var(--nav-icon);
   display: flex;
   flex-direction: row;
   justify-content: space-between;
@@ -381,6 +397,8 @@ main {
 .table {
   margin-bottom: 0;
   font-size: 0.9rem;
+  color: var(--fg);
+  --bs-table-color: var(--fg);
   @media (min-width: 576px) {
     font-size: 1rem;
   }
@@ -488,6 +506,9 @@ html:lang(ru) .card-title {
     color: #fff;
     .total-value {
       float: right;
+      .symbol {
+        color: #ffffffbb;
+      }
     }
   }
   .active {
@@ -593,6 +614,11 @@ html:lang(ru) .card-title {
     span {
       font-size: 10px;
     }
+    .total-parcial-vbytes {
+      .symbol {
+        color: #ffffffbb;
+      }
+    }
     .symbol {
       font-size: 9px;
     }
@@ -1289,7 +1315,7 @@ th {
       display: block;
       width: 100%;
       padding: 1rem 2rem;
-      color: #fff;
+      color: var(--fg);
       font-weight: bold;
       &:focus, &:hover, &:active {
         text-decoration: none;
@@ -1346,6 +1372,7 @@ th {
     border: 1px solid var(--tertiary);
   }
   .page-item.disabled .page-link {
+    color: var(--transparent-fg);
     background-color: var(--bg);
     border: 1px solid var(--bg);
   }
@@ -1373,7 +1400,7 @@ th {
 }
 
 .blink-bg {
-  color: #fff;
+  color: var(--fg);
   background: repeating-linear-gradient($taproot-dark, $taproot-dark 0.163525%, $taproot-light 100%) !important;
   animation: shadowyBackground 1s infinite;
   box-shadow: -10px -15px 75px rgba($taproot, 1);
@@ -1414,13 +1441,17 @@ app-global-footer {
 }
 
 .info-link fa-icon {
-  color: rgba(255, 255, 255, 0.4);
+  color: var(--transparent-fg);
   margin-left: 5px;
 }
 
 .dropdown-menu {
   background-color: var(--bg);
   color: var(--fg);
+
+  .dropdown-item {
+    color: var(--fg);
+  }
   .dropdown-item:hover, .dropdown-item:focus {
     background-color: var(--active-bg);
     color: var(--fg);
@@ -1430,11 +1461,12 @@ app-global-footer {
 .btn-secondary {
   background-color: var(--secondary);
   border-color: var(--secondary);
+  color: var(--fg);
 }
 
 a {
   color: var(--link-color);
-  &:hover {
+  &:hover:where(:not(.health-badge):not(.btn-purple)) {
     color: var(--link-hover-color);
   }
 }
@@ -1484,6 +1516,10 @@ button {
 }
 
 .btn-success {
+  --bs-btn-color: #fff;
+  --bs-btn-hover-color: #fff;
+  --bs-btn-active-color: #fff;
+  --bs-btn-disabled-color: #fff;
   color: #fff;
   &:focus, &:hover, &:active, &:disabled {
     color: #fff;
@@ -1494,6 +1530,10 @@ button {
   padding: 0.25em 0.4em;
 }
 
+a.badge:hover, a.badge:focus {
+  text-decoration: none;
+}
+
 .table th, .table td {
   padding: 0.75rem;
 }
@@ -1572,7 +1612,7 @@ button {
 }
 
 .nav-tabs .nav-link.active {
-  color: #fff;
+  color: var(--fg);
 }
 
 .text-muted {
diff --git a/frontend/src/theme-nymkappa.scss b/frontend/src/theme-nymkappa.scss
new file mode 100644
index 000000000..f75036b28
--- /dev/null
+++ b/frontend/src/theme-nymkappa.scss
@@ -0,0 +1,219 @@
+@use "sass:color";
+
+/* Theme */
+$bg: #fefefe;
+$active-bg: #eef2f9;
+$hover-bg: #eaeff8;
+$fg: #182033;
+$nav-bg: #fdfdfd;
+$title-fg: #2055e3;
+
+$taproot: #eba814;
+$taproot-light: #d5a90a;
+$taproot-dark: #9d7c05;
+
+/* Bootstrap */
+$body-bg: $bg;
+$body-color: $fg;
+$gray-800: $bg;
+$gray-700: $fg;
+
+$nav-tabs-link-active-bg: $active-bg;
+
+$primary: #6bb8dc;
+$secondary: #dadce1;
+$tertiary: #a377ff;
+$success: #258751;
+$info: #426de6;
+
+$h5-font-size: 1.15rem !default;
+
+$pagination-bg: $body-bg;
+$pagination-border-color: $gray-800;
+$pagination-disabled-bg:           $fg;
+$pagination-disabled-border-color: $bg;
+$pagination-active-color:          $fg;
+$pagination-active-bg:             $tertiary;
+$pagination-hover-bg:              $hover-bg;
+$pagination-hover-border-color:     $bg;
+$pagination-disabled-bg:          $bg;
+
+$form-select-indicator-color: $fg;
+
+.input-group-text {
+  background-color: #eef2f7 !important;
+  border: 1px solid #d6dbe7 !important;
+}
+
+$link-color:                color.adjust($info, $lightness: -10%);
+$link-decoration:           none !default;
+$link-hover-color:          color.adjust($link-color, $lightness: -15%) !default;
+$link-hover-decoration:     underline !default;
+
+$dropdown-bg: $bg;
+$dropdown-link-color: $fg;
+
+$dropdown-link-hover-color: $fg;
+$dropdown-link-hover-bg: $hover-bg;
+
+$dropdown-link-active-color: $fg;
+$dropdown-link-active-bg: $hover-bg;
+
+:root {
+  --bg: #{$bg};
+  --active-bg: #{$active-bg};
+  --hover-bg: #{$hover-bg};
+  --fg: #{$fg};
+  --nav-bg: #{$nav-bg};
+  --nav-icon: #485464;
+  --nav-shadow: #dddddd;
+  --title-fg: #{$title-fg};
+
+  --primary: #{$primary};
+  --secondary: #{$secondary};
+  --tertiary: #{$tertiary};
+  --success: #{$success};
+  --info: #{$info};
+  --link-color: #{$link-color};
+  --link-hover-color: #{$link-hover-color};
+  --icon: #f1f1f1;
+  --skeleton-bg: #cdd8eb;
+  --skeleton-bg-light: #f3f6fc;
+
+  --box-bg: #ffffff;
+  --stat-box-bg: #e2e9f6;
+  --border-subtle: rgba(15, 23, 42, 0.12);
+  --block-top: #c9d1e2;
+  --block-side: #b6c1d8;
+  --block-goggles-overlay: #eef2f8cc;
+  --mempool-block-top: #d9dde1;
+  --mempool-block-side: #c8cdd3;
+  --mempool-block-loading: #b3bac2;
+  --alert-bg: #c4b5fd;
+  --transparent-fg: #2a2d40b3;
+  --footer-fg: rgba(15, 23, 42, 0.6);
+  --fade-out-box-bg-start: rgba(255, 255, 255, 0);
+  --fade-out-box-bg-end: rgba(255, 255, 255, 1);
+  --opacity: 0.7;
+  --address-chunk-color: #119d90;
+
+  --testnet: #93c5fd;
+  --signet: #f0abfc;
+  --liquid: #5eead4;
+  --liquidtestnet: #d1d5db;
+
+  --mainnet-alt: #a78bfa;
+  --testnet-alt: #bfdbfe;
+  --signet-alt: #f5d0fe;
+  --liquidtestnet-alt: #e5e7eb;
+
+  --taproot: #eba814;
+  --taproot-light: #d5a90a;
+  --taproot-dark: #9d7c05;
+
+  --green: #22a559;
+  --red: #e24d5e;
+  --yellow: #1f2747;
+  --grey: #94a3b8;
+  --tooltip-grey: #b1b1b1;
+  --orange: #f7931a;
+  --pink: #db2777;
+
+  --search-button: #a377ff;
+  --search-button-border: #a377ff;
+  --search-button-focus: #9c6dff;
+  --search-button-shadow: #9c6dff;
+
+  --bs-btn-hover-bg: #{$secondary};
+  --bs-btn-hover-border-color: #{$secondary};
+}
+
+.form-select {
+  --bs-form-select-bg-img: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23182033' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
+}
+
+.nav-tabs {
+  --bs-nav-tabs-link-active-bg: var(--active-bg);
+  --bs-nav-tabs-link-active-color: var(--fg);
+  --bs-nav-tabs-link-active-border-color: var(--secondary) var(--secondary) var(--active-bg);
+}
+
+#divider {
+  background-image: url("data:image/svg+xml,%3csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3e%3crect width='104%25' height='100%25' fill='none' stroke='%23485464' stroke-width='4' stroke-dasharray='10%2c17' stroke-dashoffset='18' stroke-linecap='square'/%3e%3c/svg%3e");
+}
+
+.btn-primary {
+  --bs-btn-hover-bg: #56aed7;
+  --bs-btn-hover-border-color: #56aed7;
+  --bs-btn-focus-shadow-rgb: 86, 174, 215;
+  --bs-btn-active-bg: #42a4d2;
+  --bs-btn-active-border-color: #42a4d2;
+}
+
+.btn-secondary {
+  --bs-btn-hover-bg: #c8cdd3;
+  --bs-btn-hover-border-color: #c8cdd3;
+  --bs-btn-focus-shadow-rgb: 200, 205, 211;
+  --bs-btn-active-bg: #b6c1d8;
+  --bs-btn-active-border-color: #b6c1d8;
+  --bs-btn-hover-color: var(--fg);
+}
+
+.btn-outline-secondary {
+  --bs-btn-hover-bg: var(--secondary);
+  --bs-btn-hover-border-color: var(--secondary);
+  --bs-btn-focus-shadow-rgb: 218, 220, 225;
+  --bs-btn-active-bg: var(--secondary);
+  --bs-btn-active-border-color: var(--secondary);
+  --bs-btn-hover-color: var(--fg);
+}
+
+.btn-outline-info {
+  --bs-btn-color: var(--link-color);
+  --bs-btn-border-color: var(--link-color);
+  --bs-btn-hover-color: var(--bg);
+  --bs-btn-hover-bg: var(--link-color);
+  --bs-btn-hover-border-color: var(--link-color);
+  --bs-btn-active-color: var(--bg);
+  --bs-btn-active-bg: var(--link-color);
+  --bs-btn-active-border-color: var(--link-color);
+}
+
+.tooltip-inner {
+  color: #fff;
+}
+
+.bg-info {
+  background-color: var(--info) !important;
+}
+
+.bg-warning {
+  color: var(--fg);
+}
+
+.bg-secondary {
+  background-color: var(--secondary) !important;
+  color: var(--fg);
+}
+
+.constants { color: #d27300 }
+.control { color: #4ab5e1 }
+.stack { color: #d78b00 }
+.splice { color: #34aedf }
+.logic { color: #34aedf }
+.arithmetic { color: #9cd4a7 }
+.crypto { color: #fa3d3d }
+.locktime { color: #d27300 }
+.reserved { color: #d27300 }
+
+.text-light {
+  color: var(--fg) !important;
+}
+
+.dropdown-menu {
+  --bs-dropdown-link-active-bg: #c0c0c0;
+
+  .dropdown-item:hover, .dropdown-item:focus {
+    background-color: #d0d0d0;
+  }
+}