DESIGN.md · Analysis

Higgsfield AI

higgsfield.ai · 14 Jul 2026 · 47 colors · Space Grotesk, Inter

Higgsfield AI

AI-native creative suite for generating and editing images, videos, and voice content. Bold, neon-forward aesthetic combining dark tech minimalism with electric lime-green accents.

Colors

surface#0f1113
surface-dim#060707
surface-bright#1a1a1a
surface-container-lowest#0a0b0d
surface-container-low#131517
surface-container#1c1e21
surface-container-high#23252a
surface-container-highest#2d2f34
on-surface#f7f7f8
on-surface-variant#b9b9ba
inverse-surface#f7f7f8
inverse-on-surface#0f1113
outline#898a8b
outline-variant#373a3e
surface-tint#d1fe17
primary#d1fe17
on-primary#1a1a1a
primary-container#cdff00
on-primary-container#131517
inverse-primary#1a1a1a
secondary#18dcff
on-secondary#0f1113
secondary-container#0d7a8a
on-secondary-container#18dcff
tertiary#ff005b
on-tertiary#ffffff
tertiary-container#8b0033
on-tertiary-container#ff005b
error#ff6b6b
on-error#ffffff
error-container#8b0000
on-error-container#ff6b6b
primary-fixed#cdff00
primary-fixed-dim#b9d4d6
on-primary-fixed#0f1113
on-primary-fixed-variant#1a1a1a
secondary-fixed#18dcff
secondary-fixed-dim#0d7a8a
on-secondary-fixed#0f1113
on-secondary-fixed-variant#0a3d47
tertiary-fixed#ff005b
tertiary-fixed-dim#8b0033
on-tertiary-fixed#ffffff
on-tertiary-fixed-variant#ff3d7f
background#0f1113
on-background#f7f7f8
surface-variant#202326

Typography

display
fontFamily: Space Grotesk · fontSize: 60px · fontWeight: 700 · lineHeight: 68px · letterSpacing: -0.04em
headline-lg
fontFamily: Space Grotesk · fontSize: 40px · fontWeight: 700 · lineHeight: 48px · letterSpacing: -0.02em
headline-md
fontFamily: Space Grotesk · fontSize: 28px · fontWeight: 600 · lineHeight: 36px · letterSpacing: -0.01em
title-lg
fontFamily: Inter · fontSize: 20px · fontWeight: 600 · lineHeight: 28px · letterSpacing: 0em
body-lg
fontFamily: Inter · fontSize: 18px · fontWeight: 400 · lineHeight: 28px · letterSpacing: 0em
body-md
fontFamily: Inter · fontSize: 16px · fontWeight: 400 · lineHeight: 24px · letterSpacing: 0em
label-md
fontFamily: Inter · fontSize: 14px · fontWeight: 600 · lineHeight: 20px · letterSpacing: 0.01em
label-sm
fontFamily: Inter · fontSize: 12px · fontWeight: 500 · lineHeight: 16px · letterSpacing: 0.02em

Design guidance

Overview

Higgsfield AI is an AI-native creative suite designed for content creators, designers, and developers who demand speed and precision. The brand embodies "Neon Minimalism"—a design philosophy that pairs austere, near-black surfaces (#0f1113, #060707) with electric lime-green accents (#d1fe17, #cdff00) and cyan highlights (#18dcff), creating a high-contrast, energetic interface that feels both cutting-edge and approachable. The aesthetic evokes the precision of technical tools merged with the boldness of contemporary digital culture. Users experience clarity through restraint: dark backgrounds reduce cognitive load, while neon accents guide attention to critical actions and emerging features. The emotional response is one of capability and momentum—this is a tool for creators who move fast.

The brand voice is direct, technical yet accessible, and unapologetically modern. Higgsfield speaks in imperative sentences and feature-forward language: "Create images, videos, and voice content with Higgsfield AI from text prompts or references." The vocabulary favors precision ("AI agent," "automate creative workflows") over marketing fluff. Tone is confident without arrogance, helpful without condescension. Example sentence in brand voice: "Ship an app via Claude MCP or Supercomputer. Submit before July 22."

Colors

The color system is built on a dark-tech foundation with three accent families: primary (neon lime), secondary (cyan), and tertiary (hot pink). Primary (#d1fe17) is the signature accent—used exclusively on call-to-action buttons ("Sign up", "Login"), active states, and feature highlights. It commands attention through saturation and luminosity against the near-black surface, never appearing on body text or passive elements. Secondary (#18dcff) supports data visualization, status indicators, and secondary interactive elements, providing visual rhythm without competing with primary. Tertiary (#ff005b) is reserved for premium badges, alerts, and contest/promotion callouts ("EXTRA DISCOUNT", "TRENDING", "NEW").

The surface stack uses a carefully calibrated grayscale: surface (#0f1113) is the

Typography

The type system pairs Space Grotesk (display and headline weights) with Inter (body and label weights), creating a geometric-meets-humanist contrast that mirrors the brand's technical-yet-approachable personality. Space Grotesk's geometric letterforms (especially at 700 weight, -0.04em letter-spacing) command attention in headlines and hero sections, while Inter's neutrality ensures body copy remains legible at 16px with 24px line-height. Display (60px, 700 weight, -0.04em) anchors hero sections; headline-lg (40px, 700 weight) breaks major sections; headline-md (28px, 600 weight) introduces subsections. Body-lg (18px, 400 weight, 28px line-height) is used for feature descriptions and marketing copy, while body-md (16px, 400 weight, 24px line-height) is the default for UI text and form labe

Layout

The layout system uses a 12-column grid with a 1280px max-width container, centered on viewport. Horizontal rhythm is maintained through consistent gutter spacing (24px on desktop, 16px on tablet, 12px on mobile). Vertical spacing follows the semantic scale: lg (40px) separates major sections (hero, feature blocks, footer), md (24px) groups related content within sections, sm (12px) spaces inline elements and list items. The dark surface (#0f1113) provides visual breathing room—white-space is not empty but active, allowing neon accents to pop without visual clutter. Cards and containers use surface-container (#1c1e21) with 1px borders (outline-variant, #373a3e) to define regions without harsh separation. Padding inside cards is consistently md (24px) on desktop, sm (12px) on mobile. Hero s

Elevation & Depth

Depth is conveyed through layered surfaces and subtle shadows rather than dramatic drop-shadows. Level 1 (Base): surface (#0f1113) with no shadow—the foundation. Level 2 (Cards & Containers): surface-container (#1c1e21) with 1px border (outline-variant, #373a3e) and box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15)—used for cards, modals, and floating elements. Level 3 (Elevated/Hover): surface-container-high (#23252a) with box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25)—applied on card hover or modal focus. Interactive elements (buttons, inputs) use no shadow at rest; on hover, primary buttons gain a gl

Shapes

The shape philosophy is "Technical Precision with Approachability." Border-radius values are deliberately minimal to reinforce the tech aesthetic while remaining friendly: buttons use lg (1rem / 16px) for a slightly rounded, modern feel; cards and containers use xl (1.5rem / 24px) for softer, more inviting surfaces; inputs use DEFAULT (0.5rem / 8px) for subtle definition; badges use full (9999px) for maximum roundness, signaling status and non-interactivity. The progression from sharp (inputs, 8px) to rounded (cards, 24px) to fully rounded (badges, full) creates visual hierarchy: interactive i

Components

Action Elements Buttons are the primary interaction mechanism. Primary buttons use background: {colors.primary} (#d1fe17), text-color: {colors.on-primary} (#1a1a1a), rounded: lg (16px), padding: 12px 24px, height: 44px, font-weight: 500, and no border. On hover, transition to background: {colors.primary-container} (#cdff00) with box-shadow: 0 0 24px rgba(209, 254, 23, 0.4) over 150ms. On active, use background: #b9d4d6 to signal press. Secondary buttons use background: rgba(255, 255, 255, 0.05), text-color: on-surface (#f7f7f8), border: 1px solid rgba(255, 255, 255, 0.1), rounded: full (9999px), and the same padding/height as primary. On hover, increase background opacity to rgba(255, 255, 255, 0.1) and add box-shadow: 0 0 16px rgba(255, 255, 255, 0.08). Ghost buttons are transparent a

Do's and Don'ts

**Do**

  • Do use primary (#d1fe17) exclusively for CTAs and active states—it is the brand's signature and must remain rare enough to command attention.
  • Do maintain dark surfaces (surface #0f1113, surface-dim #060707) as the default background to ensure neon accents remain the focal point.
  • Do apply glow effects (box-shadow: 0 0 24px rgba(209, 254, 23, 0.4)) on primary button hover to reinforce interactivity and energy.
  • Do use Space Grotesk at 700 weight for headlines to establish geometric, technical authority; reserve Inter for body text to maintain legibility.
  • Do apply consistent border-radius progression: inputs 8px, cards 24px, badges 9999px—this creates visual hierarchy and signals component purpose.
  • Do use the full M3 surface-container stack (lowest to highest) to create subtle depth without introducing new colors or harsh shadows.

**Don't**

  • Don't use primary (#d1fe17) on body text, backgrounds, or passive elements—reserve it for interactive, high-priority UI only.
  • Don't mix border-radius values within a component family (e.g., all buttons should use 16px, not a mix of 8px and 16px).
  • Don't apply multiple overlapping shadows; the dark background naturally creates depth—use single, purposeful shadows (0 4px 12px or 0 16px 40px).
  • Don't use secondary (#18dcff) or tertiary (#ff005b) as primary accents; they are supporting colors and will dilute brand recognition.
  • Don't exceed 150ms transition timing on interactive elements—faster feels snappy, slower feels sluggish in a tech-forward context.
  • Don't use light surfaces (near-white) as default backgrounds; the dark aesthetic is core to the brand and ensures neon accents pop.