IC-003 · D. Icons and Visual Assets

Phosphor Icons

Flexible icon family: Thin, Light, Regular, Bold, Fill, Duotone.

Summary

Flexible icon family: Thin, Light, Regular, Bold, Fill, Duotone.

What it is

An open-source icon set with consistent grid, stroke and naming, distributed as SVG and framework packages.

Who it’s for

Designers and developers who need a coherent, license-clear icon set for UI.

Warm neutralSplit heroPlayful, crafted, warm
Phosphor Icons: hero image
Figure 1. Icons in all 6 weights + more regular icons. Source: RENDERED BY US from SVGs in @phosphor-icons/core (MIT, Copyright (c) 2023 Phosphor Icons)

Key takeaways

  • Captured phosphoricons.com: warm off-white canvas, lime-yellow banner and scattered paper-clip objects; the headline and feature list sit left of a wide icon specimen.
  • One of the few icon sites with a distinct warm, editorial personality.
  • Color: warm neutral theme; dominant colors #EEEAE3, #ABA193, #BDDA58 (ESTIMATED from our capture).

Best practices to borrow

  • Use off-white or cream surfaces with warm grays and sparse accents.
  • Put the promise on one side and proof (product, media or illustration) on the other; keep the headline short.
  • Pick one set, one size and one stroke weight per product; don’t mix sets in the same UI.
ESTIMATED

Palette preview

#EEEAE3~62%#ABA193~9%#BDDA58~7%#3E3D3A~7%#827C71~2%#D4DCA6~2%

Figures

Extracted from the v2 research PDF. Only figures the research team rendered from open-licensed or official public values are shown; official page screenshots and third-party artwork are not published here (they are blanked in the downloadable PDF). Captions and credits are as written in the PDF.

Figure 1. Icons in all 6 weights + more regular icons. Source: RENDERED BY US from SVGs in @phosphor-icons/core (MIT, Copyright (c) 2023 Pho
Figure 1. Icons in all 6 weights + more regular icons. Source: RENDERED BY US from SVGs in @phosphor-icons/core (MIT, Copyright (c) 2023 Phosphor Icons)
Download full resolutionRendered by the research team; see caption for source and license. Entry license: MIT
ESTIMATED

Dominant palette from our captures

Measured by us from our screenshot(s) of https://phosphoricons.com (median-cut quantization; share = % of pixels). Approximate and not official.

#EEEAE3~62% of pixels#ABA193~9% of pixels#BDDA58~7% of pixels#3E3D3A~7% of pixels#827C71~2% of pixels#D4DCA6~2% of pixels

Layout pattern: Split hero

Observed by us on the captured page(s). See all entries by layout.

How to apply it: Put the promise on one side and proof (product, media or illustration) on the other; keep the headline short.

Other entries with this layout: Material Design 3, Heroicons, Linear, Stripe, Notion, DiceBear, Open Peeps, Humaaans, Blush, Linear onboarding flow.

Our analysis

Captured phosphoricons.com: warm off-white canvas, lime-yellow banner and scattered paper-clip objects; the headline and feature list sit left of a wide icon specimen. One of the few icon sites with a distinct warm, editorial personality.

Warm neutralSplit heroPlayful, crafted, warm

Downloads

PDF: research notes made for this library; third-party images inside follow the credits in their captions. License / terms of the source: MIT

DESIGN.md for AI coding agents

Copy this into your repo or agent context. OFFICIAL and ESTIMATED values are labelled.

# DESIGN.md · Phosphor Icons (IC-003)

> Written for AI coding agents. Values marked **OFFICIAL** come from the documented source named below; values marked **ESTIMATED** were measured by us from our own screenshots and are approximate. Never treat ESTIMATED values as official brand tokens.

## Overview
- Type: Icon Library · Category: D. Icons and Visual Assets
- Platforms: Web, React, Vue, Flutter, Swift
- Color theme: Warm neutral · Layout pattern: Split hero · Mood: Playful, crafted, warm
- License / terms: MIT

Flexible icon family: Thin, Light, Regular, Bold, Fill, Duotone.

### Analysis (ours)
Captured phosphoricons.com: warm off-white canvas, lime-yellow banner and scattered paper-clip objects; the headline and feature list sit left of a wide icon specimen. One of the few icon sites with a distinct warm, editorial personality.

## Color tokens
No official color tokens documented for this entry.

ESTIMATED · dominant colors measured from our screenshot(s) of the source site (median-cut quantization; share = % of pixels). Approximate, not official:

- `#EEEAE3` ~62%
- `#ABA193` ~9%
- `#BDDA58` ~7%
- `#3E3D3A` ~7%
- `#827C71` ~2%
- `#D4DCA6` ~2%

## Typography
No official type scale documented for this entry; use the product’s own typography guidance.

## Spacing, radii, shadows
Not documented for this entry. Do not invent values; derive from your own design system.

## Components
No component inventory documented for this entry.

## Layout rules
- Observed layout pattern: **Split hero** (from our captures).

## Do’s and don’ts
- Do: Use off-white/cream surfaces and warm grays; keep accents sparse.
- Don’t: Don’t switch to cold pure-white/blue-gray surfaces.
- Do: follow the source’s license/terms listed above.
- Don’t: present ESTIMATED colors as official tokens.

## Sources
- https://phosphoricons.com
- Library entry: https://design-library-byt.pages.dev/entry/IC-003