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Omer Ben Shushan
Omer Ben Shushan

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Case Study: How I Built ColorHexPro.com

ColorHexPro.com is a free online toolkit for working with HEX colors — designed for UI/UX designers, developers, and digital creators who need fast color validation, palette generation, and conversions. The core idea was to reduce friction in everyday color tasks: picking a color, testing contrast, generating variations, and exporting for real design work.

Problem

When working on multiple design and front-end projects, I kept encountering the same pain point: color tools tend to be bloated, nonlinear, and slow.

Common workflows like:

  • “I have this HEX value — give me matching colors.”
  • “I need complementary or analogous palettes instantly.”
  • “Is this color accessible?”
  • “Convert this HEX to RGB or HSL.”

…normally required using 2–4 different tools.

Insight

Two patterns emerged:

  1. Colors are always chosen as part of a system, not alone.
  2. Most color tasks are repetitive (generate → convert → test → export).

This meant a lightweight browser tool could deliver real value.

Project Goal

Build the fastest, simplest web tool for generating and working with HEX-based color systems.

Target Users

  • UI/UX Designers
  • Front-End Developers
  • Digital Creators (e.g., branding, Canva assets)

Core Features

1. Palette Generators

From a single HEX, generate:

  • complementary
  • triadic
  • analogous
  • monochromatic
  • split-complementary

2. Color Checker

Instant preview with:

  • RGB/HSL
  • lighter/darker variations
  • contrast awareness

3. Converters

Fast HEX ↔ RGB / HSL / CMYK (planned).

Technical Architecture

Layer Tech
Front-End HTML, CSS, JavaScript
Color Math custom utilities
Hosting static + CDN

No database, no login, <100ms load.

Design Principles

  1. Zero cognitive load
  2. Tools, not pages
  3. Accessibility aware

Branding & Positioning

ColorHexPro sits between;

Category Weakness
Inspiration tools non-technical
Pro suites slow, bloated
Calculators fragmented

ColorHexPro = technical + fast + practical.

Early Feedback

Positive themes:

  • speed
  • no clutter
  • useful outputs

Feature requests shaped roadmap:

  • export to CSS/Tailwind
  • brand library mode
  • share URLs
  • contrast checker
  • API

Roadmap

  • palette export (CSS/SCSS/Tailwind)
  • WCAG AA/AAA contrast testing
  • saved brand palettes
  • sharing links
  • REST API
  • plugins (Figma / VSCode)

Monetization

Freemium model:

  • core tools stay free
  • pro = storage + export + API + plugins

Conclusion

ColorHexPro was born from a simple observation: most color tools are either too heavy or too fragmented for real workflows. By focusing on speed, simplicity, and practical outputs, the tool became useful for designers, developers, and digital creators who rely on HEX values daily.

Color is complex — using it shouldn’t be.

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