# CircuitLab Brand Identity

A complete profile of **CircuitLab**'s visual system — colors, typography, components, and personality.

## Quick Facts

| Field | Value |
|---|---|
| Primary | #4A5B68 |
| Accent | #5BB75B |
| Body Font | Helvetica Neue |
| Heading Font | Palatino Linotype |

## Color Palette

- primary: #4A5B68
- secondary: #5BB75B
- accent: #5BB75B
- background: #FFFFFF
- textPrimary: #0088CC
- link: #0088CC

## Typography

- primary: Helvetica Neue — [Google Fonts](https://fonts.google.com/specimen/Helvetica+Neue)
- heading: Palatino Linotype — [Google Fonts](https://fonts.google.com/specimen/Palatino+Linotype)

## Visual Assets

- Logo: 
- Favicon: 
- Social card (og:image):

## UI Components

- input: background=#FFFFFF, textColor=#FFFFFF, borderColor=#111111, borderRadius=6px, shadow=rgba(0, 0, 0, 0.1) 0px 1px 2px 0px inset, rgba(255, 255, 255, 0.15) 0px 1px 0px 0px
- buttonPrimary: background=#5BB75B, textColor=#FFFFFF, borderColor=#E6E6E6, borderRadius=6px, shadow=rgba(255, 255, 255, 0.2) 0px 1px 0px 0px inset, rgba(0, 0, 0, 0.05) 0px 1px 2px 0px

## Brand Personality

Tone: professional · Energy: medium · Audience: engineers and electronics enthusiasts

## CircuitLab Brand in the Wild

Real-world brand assets — ads, campaigns, marketing materials.

- **Blog - CircuitLab**  
  - Image:   
  - Source: [Link](https://www.circuitlab.com/blog/16/)
- **Blog - CircuitLab**  
  - Image:   
  - Source: [Link](https://www.circuitlab.com/blog/)
- **Documentation - CircuitLab**  
  - Image:   
  - Source: [Link](https://www.circuitlab.com/docs/simulation-troubleshooting/)
- **CircuitLab Conquering Classrooms - Blog - CircuitLab**  
  - Image:   
  - Source: [Link](https://www.circuitlab.com/blog/2012/10/29/circuitlab-conquering-classrooms/)
- **CircuitLab in Google's Chrome Web Store - Blog - CircuitLab**  
  - Image:   
  - Source: [Link](https://www.circuitlab.com/blog/2012/04/03/circuitlab-in-googles-chrome-web-store/)
- **Basic Math, TRMS, AVG, Mean - CircuitLab Support Forum - CircuitLab**  
  - Image:   
  - Source: [Link](https://www.circuitlab.com/forums/support/topic/uz58jnx8/basic-math-trms-avg-mean/)

## Working with these fonts

Not found on Google Fonts? Instructions for downloading the fonts if you have permission:

1. Open the company's homepage in a browser with DevTools open.
2. In the Network tab, filter by "Font". 
3. Hard-reload the page. 
4. For each captured font URL: save the file locally.
5. View the page's CSS and copy out the matching `@font-face` declarations.

## Machine-Readable Profile

```json
{
 "colorScheme": "light",
 "fonts": [
 {
 "family": "Helvetica Neue",
 "role": "body"
 },
 {
 "family": "Palatino Linotype",
 "role": "heading"
 }
 ],
 "colors": {
 "primary": "#4A5B68",
 "secondary": "#5BB75B",
 "accent": "#5BB75B",
 "background": "#FFFFFF",
 "textPrimary": "#0088CC",
 "link": "#0088CC"
 },
 "typography": {
 "fontFamilies": {
 "primary": "Helvetica Neue",
 "heading": "Palatino Linotype"
 },
 "fontStacks": {
 "heading": [
 "Helvetica Neue",
 "Helvetica",
 "Arial",
 "sans-serif"
 ],
 "body": [
 "Helvetica Neue",
 "Helvetica",
 "Arial",
 "sans-serif"
 ],
 "paragraph": [
 "Helvetica Neue",
 "Helvetica",
 "Arial",
 "sans-serif"
 ]
 },
 "fontSizes": {
 "h1": "44px",
 "h2": "24px",
 "body": "13px"
 }
 },
 "spacing": {
 "baseUnit": 4,
 "borderRadius": "4px"
 },
 "components": {
 "input": {
 "background": "#FFFFFF",
 "textColor": "#FFFFFF",
 "borderColor": "#111111",
 "borderRadius": "6px",
 "shadow": "rgba(0, 0, 0, 0.1) 0px 1px 2px 0px inset, rgba(255, 255, 255, 0.15) 0px 1px 0px 0px"
 },
 "buttonPrimary": {
 "background": "#5BB75B",
 "textColor": "#FFFFFF",
 "borderColor": "#E6E6E6",
 "borderRadius": "6px",
 "shadow": "rgba(255, 255, 255, 0.2) 0px 1px 0px 0px inset, rgba(0, 0, 0, 0.05) 0px 1px 2px 0px"
 }
 },
 "images": {
 "logo": "https://www.circuitlab.com/assets/images/topbar_logo_60_2x.png",
 "favicon": "https://www.circuitlab.com/assets/images/favicon.png",
 "ogImage": "https://www.circuitlab.com/assets/images/og_logo.png",
 "logoHref": "/",
 "logoAlt": "CircuitLab"
 },
 "personality": {
 "tone": "professional",
 "energy": "medium",
 "targetAudience": "engineers and electronics enthusiasts"
 },
 "designSystem": {
 "framework": "bootstrap",
 "componentLibrary": ""
 },
 "confidence": {
 "buttons": 0.9,
 "colors": 0.9,
 "overall": 0.9
 }
}
```