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Core System 2 of 3 — Every niche has a visual language. This system gives you the exact colors, fonts, and design rules for your niche.

What This Does

Every niche has a visual language. Health apps look different from finance apps. Faith apps feel different from fitness apps. This system gives you the exact colors, fonts, and design rules for your niche — so your app looks professional without hiring a designer.

Input

“I’m building a fitness app”

Output

5 hex codes, 2 Google Fonts, icon style, layout guidance, design do’s and don’ts — ready to paste into your code

Why This Exists

Without Brand Your AppWith Brand Your App
Pick random colors that clashGet a tested 5-color palette for your niche
Use whatever font looks coolGet a Google Fonts pairing that works together
App looks like a homework assignmentApp looks like it was designed by a professional
Waste 2 hours on design decisionsCopy-paste CSS variables and start building

The 9 Niche Palettes

Each palette file gives you everything you need to brand your app in under 5 minutes.

Health & Weight Loss

Clean, natural, trustworthyPrimary: Forest Core #2D6A4FFonts: Nunito + Source Sans 3

Make Money & Wealth

Sophisticated, authoritative, premiumPrimary: Midnight Navy #1B263BFonts: DM Serif Display + Inter

Relationships & Dating

Warm, elegant, invitingPrimary: Rose Warmth #7B2D8EFonts: Cormorant Garamond + Raleway

Personal Development

Energetic, motivating, boldPrimary: Ember Orange #FF6B35Fonts: Poppins + Work Sans

Faith-Based

Reverent, timeless, peacefulPrimary: Sacred Navy #2C3E6BFonts: Merriweather + Open Sans

Fitness & Body

Intense, powerful, action-drivenPrimary: Power Red #D62828Fonts: Oswald + Roboto

Parenting & Kids

Playful, friendly, warmPrimary: Sunshine Yellow #F4A623Fonts: Baloo 2 + Quicksand

Beauty & Skincare

Refined, soft, luxuriousPrimary: Rose Quartz #BC6C8AFonts: Playfair Display + Lato

Productivity & Time

Sharp, focused, minimalPrimary: Graphite Core #023E8AFonts: Space Grotesk + Inter

What’s in Each Palette

Every palette file includes:
1

The 5-Color Palette

A table with hex codes and usage guidance:
  • Primary — Main buttons, headers, key interactive elements
  • Secondary — Supporting elements, hover states, secondary buttons
  • Accent — Highlights, success states, badges, callouts
  • Background — Page background, card surfaces
  • Text — Body text, headings, labels
2

Typography Pairing

Two Google Fonts that work together:
  • Heading Font — For titles, section headers, hero text
  • Body Font — For paragraphs, labels, descriptions
  • Includes weight recommendations and <link> tag ready to copy
3

CSS Custom Properties

A complete :root block you can drop into any project:
:root {
  --color-primary: #hex;
  --color-secondary: #hex;
  --color-accent: #hex;
  --color-background: #hex;
  --color-text: #hex;
  --font-heading: 'Font Name', sans-serif;
  --font-body: 'Font Name', sans-serif;
}
4

Icon Style

Which icon approach works best for the niche (outlined, filled, emoji-based, or minimal line).
5

Design Do's and Don'ts

3-5 specific design rules for the niche — not generic advice, but things that matter for THIS audience.

How to Use It (2 Minutes)

1

Pick Your Niche

Open the palette file that matches your app’s niche from the cards above.
2

Copy the CSS Variables

Grab the CSS custom properties block and paste it at the top of your styles.css file (or inside a <style> tag for single-file apps).
3

Copy the Font Link

Paste the Google Fonts <link> tag into your HTML <head>.
4

Use the Variables

Reference your colors and fonts throughout your CSS:
body {
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}
5

Follow the Design Rules

Read the Do’s and Don’ts for your niche. They take 30 seconds to read and prevent 2 hours of design mistakes.

When to Use This

Every New App

Pick the niche palette before writing a single line of code

With Blueprint Builder

The AI references these palettes when generating design direction

For Client Work

Use their niche palette as a starting point, then customize

When It Looks Off

Swap to the niche palette and watch it come together

Example: Health & Weight Loss Palette

RoleColor NameHexUsage
PrimaryForest Core#2D6A4FMain buttons, headers, navigation
SecondaryVitality Green#52B788Supporting elements, hover states
AccentMint Glow#B7E4C7Highlights, success states, badges
BackgroundClean Slate#F0FFF4Page background, card surfaces
TextDeep Bark#1B4332Body text, headings, labels

Where This Fits

Blueprint Builder

Generate blueprints that reference these palettes

Ship It

Deploy your branded app

Niche Blueprints

Pre-built apps for each niche

Build docs developers (and LLMs) love