flowmanceFlaue Udo Design System
Flaue Udo is a one-person portfolio that reads like a poster printed in a single ink. Everything that is not a photo is cobalt blue #1F3DFF on white: the logo, the clock, the outlined menu button, a wordmark that fills the width of the screen, and a short centred lead. Below the hero the page is almost only pictures: a tight two-column grid of large, rounded project images that spans the width inside 32px gutters.
Four signatures make it recognisable:
- The 42vw wordmark. FLAUE UDO© is set in Humane (an ultra-condensed display face) at 604.8px on a 1440px screen, which is 42% of the viewport width, uppercase, line height 0.84. The © is part of the word, set at the same size.
- One ink, swappable. The whole UI uses one colour. A small frosted pill bottom-left holds five swatches (blue #1F3DFF, red #FF2E31, green #42D366, purple #7A2CFF, black #000000); clicking one recolours text, borders and fills with a 0.4s colour transition.
- Sans plus italic serif in one line. The lead mixes Inter 500 with Instrument Serif italic for the place and date: Independent designer based in *Amsterdam* / Now booking *Q4 2026*.
- Mono clock in the nav. The centre of the nav is a live clock in DM Mono 12px uppercase with wide tracking: • AMS 01:28:10.
Flaue Udo is light-only. There are no filled buttons.
Colors
Surfaces
#FFFFFFPage background and footer
#EEF1FFPale blue fill behind images while they load and behind small chips (16 uses)
#1F3DFFFull blue layers (menu and page transition) with white text (35 white text uses)
Ink
#1F3DFF#1F3DFFLogo, wordmark, lead, clock, labels, borders
#1F3DFFSame as ink: body text is set in the full ink, never a grey
#1F3DFF · 70%The few quieter text bits (7 uses), such as secondary meta
#FFFFFFText on inverse-canvas
#FFFFFFText set over photos
Action
#FFFFFF#E0C200A mustard yellow used 3 times as text, 3 times as a fill and once as a border
Lines & effects
#1F3DFF · 28%Soft 1px borders (7 uses)
#1F3DFFFull-ink 1px borders, such as the round menu button (14 uses)
#EEF1FF · 72%The theme-switcher pill
#FF2E31The other four swatches in the switcher
#42D366The other four swatches in the switcher
#7A2CFFThe other four swatches in the switcher
#000000The other four swatches in the switcher
Typography
Humane · display-hero · shown in Big Shoulders (fallback)
The quick brown fox jumpsFLAUE UDO© hero. 605px · 600 · 0.84
Humane · headline-xl · shown in Big Shoulders (fallback)
The quick brown fox jumps32 spans that sit in hidden layers (the menu overlay or rolling hover copies). 101px · 600 · 0.9 · 1px
Inter · title-lg
The quick brown fox jumpsHero lead Independent designer based in. 32px · 500 · 1.12 · -0.64px
Inter · body-lg
The quick brown fox jumpsProject descriptions: A cobalt-blue campaign and digital lookbook for a Paris lace…. 24px · 500 · 1.15 · -0.48px
Inter · label
The quick brown fox jumpsLinks and the menu items in Inter (1.1rem). 17.6px · 600 · 1
DM Mono · mono
The quick brown fox jumpsNav clock AMS 01:28:10, meta lines (24 uses). 12px · 600 · 1.5 · 1.2px
Spacing & shape
| Purpose | Value |
|---|---|
| Container | full width with a 32px side gutter (the images start about 32px from each edge at 1440px) |
| Section rhythm | sections have no padding (0px) |
| Breakpoints | no breakpoint data was captured |
Spacing scale
| Token | Value | Preview |
|---|---|---|
section | 0px | |
hair | 8px | |
sm | 20px |
Layout spacing
| Token | Value | Preview |
|---|---|---|
column-gap | 8px | |
gutter | 32px |
Border radius
Surfaces
How the surfaces stack, from the page background up. Hex codes and roles are in Colors above.
Motion
| Split-text reveal | Characters and lines tween in, power3.out, 0.70s. Triggered at top 98%. |
| Scroll reveal | A layer moves yPercent −25 → 0 while an overlay fades opacity 0.3 → 0, linear, 1.2s, on a top bottom → bottom top trigger |
| Image parallax | Each work image yPercent −5 → 5, linear, scrubbed top bottom → bottom top |
| Page transition | Characters yPercent → 110, expo.out 2.0s staggered; panels power2.inOut 0.95s and power2.in 0.67s |
| Cursor follower | quickTo on x and y, power3, 0.3s and 0.6s |
| Clock dot | opacity → 0.25, sine.inOut, 1.0s, repeating blink |
| Theme change | background-color 0.4s, color 0.4s, border-color 0.4s |
| Generic transform | transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) |
Do’s and don’ts
- Set the name as a full-width Humane wordmark in ink #1F3DFF, uppercase, line height 0.84, about 42vw, with a © at the same size.
- Keep the page to white #FFFFFF and one ink. Let photos bring all other colour.
- Mix Inter 500 at 32px with an Instrument Serif italic word at 1.12em for the place or date in the lead.
- Lay work out in a 2-column grid with 8px seams, 32px side gutters and 16px image corners.
- Use DM Mono 12px uppercase with 1.2px tracking for time, city and counts only.
- Keep ink-subtle (#1F3DFF at 70%) for text of 16px or larger; at 12px it is too faint.
- Add filled buttons, coloured cards or a second UI colour. The CTA is the image or a text link.
- Use the theme swatches (#FF2E31, #42D366, #7A2CFF) together. Each is a whole-site alternative.
- Add shadows to images or cards. Only the floating switcher has depth.
- Use grey for body text. Body text is the full ink.
- Set Humane in lowercase, below 40px, or with negative tracking.
- Put text or captions on the work images in the resting state.
Example prompt
Any page in the Flaue Udo style
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Get All AccessUpgrade to All AccessHow to use the Flaue Udo design system
Pick a file to see what it’s for and where it goes.
What it is
The whole design system in one markdown file, written for AI: every color, type style, spacing value, component and motion rule, plus do's, don'ts and a ready prompt.
Best for
Claude, ChatGPT, Gemini, Cursor and v0, or any other AI tool that builds pages or code.
How to use it
- Put
DESIGN.mdin your project and mention it in your request, or save it as.cursor/rules/flaue.mdc - For the rule file, start it with a front-matter block that sets
alwaysApply: true, so every chat uses it - Ask: “Build a pricing page using DESIGN.md.” Cursor follows the colors, fonts, spacing and rules
- Put
DESIGN.mdin the project root - Add one line to
CLAUDE.md: “Follow DESIGN.md for all UI.” - Ask for any page or component; Claude reads the file first
- Attach
DESIGN.mdto the chat (or paste it in) - Ask: “Build a landing page in this design system.”
- Keep the file in the chat or project knowledge, so follow-up pages stay on style
What it is
Every token as data, in the W3C Design Tokens format: colors with their roles, type styles, radius, spacing, and component tokens that point at them.
Best for
Figma (Tokens Studio), Style Dictionary and other design-token tools, and build scripts.
How to use it
- In Figma, open Tokens Studio, choose Import, and pick
tokens.json - Or point Style Dictionary’s
sourceat it to generate tokens for any platform - In code, import it like any JSON file
What it is
A Tailwind CSS v4 theme: every color, font, type style, radius and spacing value becomes a Tailwind utility, like bg-canvas, text-headline-lg or rounded-md.
Best for
Tailwind v4 projects, and AI builders that write Tailwind (v0, Lovable, Bolt).
How to use it
- Save
theme.cssnext to your main CSS file - Import it after Tailwind:
@import "tailwindcss"; @import "./theme.css"; - Use the classes:
bg-canvas text-ink rounded-md p-lg
What it is
The same tokens as plain CSS variables on :root. Component values point at the color variables, so changing one color updates everything that uses it.
Best for
Any website: plain CSS, Webflow custom code, Framer, WordPress.
How to use it
- Add it to your stylesheet, or in Webflow paste it into Site settings → Custom code inside a
<style>tag - Use the variables anywhere:
color: var(--color-ink) - Change a token once and every place that uses it follows