---
generator: clinical-terminal-brand-kit
company: "Happy Billing"
domain: "happybilling.co"
colors:
  primary: "#00634C"
  onPrimary: "#FFFFFF"
  dark: "#070707"
  accent: "#1E87F0"
  background: "#FFFFFF"
ground:
  mode: light
  hex: "#FFFFFF"
  ink: "#070707"
  accent: "#00634C"
fonts:
  heading: "Inter"
  body: "Inter"
radius:
  card: "6px"
  button: "6px"
---

# Design System — Happy Billing

> Read from Happy Billing's public website (happybilling.co) by Clinical Terminal. Not reviewed by Happy Billing.
> Use it as inspiration: borrow the ideas, not Happy Billing's name, logo or identity.

## Ground
- **Light ground** (#FFFFFF), from Happy Billing's site background #FFFFFF. Pages and panels sit on it.
- Main text: #070707 (20.14:1 on the ground).
- Secondary text is #070707 at 88% / 76% / 60%; hairlines and plate borders #070707 at 16%.

## Color
- **Accent on the ground: #00634C** (7.27:1). Use it for kickers, key numbers and one highlight per screen, not for large fills.
- **Primary #00634C** for filled shapes (buttons, chips, bars), with #FFFFFF text on it (7.27:1).
- Secondary accent #1E87F0: charts and a second data series only.
- Quote every hex exactly as written above.

## Type
- Headlines: **Inter**. Body: **Inter**. Both on Google Fonts.

## Shape
- Cards and panels: 6px corners. Buttons and chips: 6px.

## Voice
- Tone: professional. Energy: low. Written for patients and healthcare professionals.
- Headlines are short and concrete.

## Tokens from the site's stylesheets

### Other named colors

- `--e-global-color-uicore_primary`: `#00C49A`
- `--e-global-color-uicore_secondary`: `#532DF5`
- `--e-global-color-uicore_accent`: `#D1345B`
- `--e-global-color-uicore_headline`: `#070707`
- `--e-global-color-uicore_body`: `#6E7A84`
- `--e-global-color-uicore_dark`: `#070707`
- `--e-global-color-uicore_light`: `#F8FCFC`
- `--e-global-color-uicore_white`: `#FFFFFF`
- `--uicore-primary-color`: `#00C49A`
- `--uicore-secondary-color`: `#532DF5`
- `--uicore-accent-color`: `#D1345B`
- `--uicore-headline-color`: `#070707`
- `--uicore-body-color`: `#6E7A84`
- `--uicore-dark-color`: `#070707`
- `--uicore-light-color`: `#F8FCFC`
- `--uicore-white-color`: `#FFFFFF`
- `--ui-border-color`: `#EBEBEB`

### Typefaces

- Inter (`--e-global-typography-uicore_primary-font-family`) — on Google Fonts
- themify
- element-pack
- before
- element-pack"!important
- element-pack'!important
- Playfair Display — on Google Fonts

### Type scale (most-used sizes)

`4rem` · `50px` · `1.5rem` · `1.25rem` · `19px` · `18px` · `16px` · `15px` · `.875rem` · `14px` · `13px` · `12px`

### Letter-spacing

`1px` (2) · `.2em` (1) · `.05em` (1) · `.5px` (1)

### Corner radii (most-used)

`3px` · `8px` · `50%` · `4px` · `500px` · `5px` · `12px` · `2px` · `6px` · `10px`

### Shadows

- `0 2px 8px rgb(0 0 0 / .08)`
- `0 5px 15px rgb(0 0 0 / .08)`
- `0 14px 25px rgb(0 0 0 / .16)`
- `0 28px 50px rgb(0 0 0 / .16)`
- `none!important`
- `0 0 2px rgb(0 0 0 / .12),0 2px 2px rgb(0 0 0 / .2)`

### Gradients

- `linear-gradient(#fff,#fff)`
- `linear-gradient(90deg,#3ab0ff,#673de6,#e536db)`
- `linear-gradient(to right,#fff 5%,#fff0 100%)`
- `linear-gradient(to right,#fff0 0%,#fff 95%)`
- `linear-gradient(currentColor,currentColor)`
- `linear-gradient(to left,rgba(0,0,0,.5),rgba(0,0,0,0))`

### Breakpoints

479px · 639px · 640px · 767px · 768px · 959px · 960px · 1024px · 1025px · 1199px · 1200px · 1300px · 1599px · 1600px