SiteStyleGuide

Unofficial A style guide made by SiteStyleGuide from superuser.com’s public web pages. Not affiliated with or endorsed by Super User. The real site is superuser.com ↗

Super User logo

Unofficial style guide

Super Userstyle guide

Super User’s website (superuser.com) uses Segoe UI Adjusted for its headings and body text. Its palette is led by Crimson (#C83232), Steel Blue (#1B75D0) and Corn Silk (#FFF4D1), with #0C0D0E text on #FFFFFF. Captured from the live site on 2 November 2026.

Typefaces
Segoe UI Adjusted, Cascadia Mono
Palette
4 neutrals, 12 colours, 3 gradients
Captured
2 Nov 2026 · added by @sitestyleguide
https://superuser.com/ Screenshot
Screenshot of the superuser.com homepage on a desktop screen
Screenshot of superuser.com on a 1440 px desktop screen, 2 Nov 2026.

Identity & metadata

What browsers, search engines and social cards show before anyone reaches the page, from the homepage’s <head>.

Title &
description

Page title
Super User
● 10 / 60 characters
Meta description
Q&A for computer enthusiasts and power users
▲ 44 / 160 characters
Site name
Super User
og:title
Super User
og:description
Q&A for computer enthusiasts and power users
Language
en

In search results

Super Userhttps://superuser.com/

Super User

Q&A for computer enthusiasts and power users

When shared

The image Super User shares with links

superuser.com

Super User

Q&A for computer enthusiasts and power users

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Colour

Read from the site’s stylesheets and weighted by where each colour is used. Names are the nearest standard colour name. Click a swatch to copy its hex code.

Contrast is against the site’s text colour (#0C0D0E) and white, using WCAG 2 ratios: 4.5 for body text, 3 for large text.

Colour

Balance

How much each colour is used
  • White 39.3%
  • Off White 13.3%
  • Near Black 11.2%
  • Cool Charcoal 11%
  • Crimson 3.9%
  • Steel Blue 3.1%
  • Corn Silk 2.9%
  • Royal Blue 2.3%
  • Chocolate 2.1%
  • Sea Green 1.9%
  • Light Sky Blue 1.9%
  • Alice Blue 1.9%
  • Aqua 1.4%
  • Dark Slate Blue 1.4%
  • Light Steel Blue 1.2%
  • Peach Puff 1.2%

By how often each colour appears in the site’s CSS, weighted by where (body, headings, buttons), not by area on the screen.

Neutrals

Text, backgrounds and structure
  • White

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 0 0 0
    On text
    19.45:1 AAA
    On white
    —

    Background, text, border · .title-search-float, --theme-topbar-search-color

  • Off White

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    2 1 0 9
    On text
    15.52:1 AAA
    On white
    1.25:1 Fail

    Background, border, text · .message.gray .message-title, .message.job-improve .message-title

  • Near Black

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    14 7 0 95
    On text
    —
    On white
    19.45:1 AAA

    Text, background, border · --theme-topbar-background-color, --theme-topbar-bottom-border

  • Cool Charcoal

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    14 7 0 73
    On text
    1.86:1 Fail
    On white
    10.47:1 AAA

    Text, background · --theme-topbar-item-background-hover, --theme-topbar-search-background

Colours

Brand colours and accents, most used first
  • Crimson

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 75 75 22
    On text
    3.67:1 AA large
    On white
    5.31:1 AA

    Text, border, background · .s-modal__warning .s-modal--title, .informative-tooltip.error

  • Steel Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    87 44 0 18
    On text
    4.17:1 AA large
    On white
    4.66:1 AA

    Background, border, text · --blue-300, .privacy-wrapper .privacy-checkbox

  • Corn Silk

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 4 18 0
    On text
    17.70:1 AAA
    On white
    1.10:1 Fail

    Background · --gold-100, .val-info

  • Royal Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    87 43 0 40
    On text
    2.64:1 Fail
    On white
    7.36:1 AAA

    Background, text · .privacy-wrapper .privacy-checkbox:before, --blue-400

  • Chocolate

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 52 94 9
    On text
    6.23:1 AA
    On white
    3.12:1 AA large

    Background · .textarea-with-counter .-counter.-fail .-dot, .teams-join--logo

  • Sea Green

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    82 0 44 47
    On text
    4.22:1 AA large
    On white
    4.61:1 AA

    Background, border · .textarea-with-counter .-counter.-success .-dot, .teams-checklist--checkbox.is-complete

  • Light Sky Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    42 21 0 2
    On text
    10.61:1 AAA
    On white
    1.83:1 Fail

    Border · --focus-theme, --blue-400

  • Alice Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    14 7 0 2
    On text
    15.55:1 AAA
    On white
    1.25:1 Fail

    Background · --blue-600, .textarea-with-counter .-counter

  • Aqua

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    100 0 0 0
    On text
    15.51:1 AAA
    On white
    1.25:1 Fail

    Background · .title-float-selected

  • Dark Slate Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    89 44 0 58
    On text
    1.71:1 Fail
    On white
    11.36:1 AAA

    Text · --blue-600, .lsep

  • Light Steel Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    26 24 0 0
    On text
    11.32:1 AAA
    On white
    1.72:1 Fail

    Used · --purple-400, --purple-300

  • Peach Puff

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 11 22 7
    On text
    13.46:1 AAA
    On white
    1.45:1 Fail

    Used · --bronze-400, --orange-200

Gradients

  • linear-gradient(hsla(0,0%,100%,0), hsl(0,0%,100%))

  • linear-gradient(to right, 8%, 16%, 25%, 42%, 58%, 75%, 83%)

  • linear-gradient(to bottom, 0%, 69%, 100%)

Dark mode

When the device is set to dark
Aa Light · #0C0D0E on #FFFFFF
Aa Dark · #F9FAFA on #252627 · 14.50:1 AAA
  • Charcoal

    #252627 · --white

  • Cool Dark Grey

    #494D50 · --black-225

  • Charcoal

    #333638 · --black-150

  • Light Sky Blue

    #90C4F9 · --blue-400

  • Off White

    #F9FAFA · --black-600

  • Cool Dark Grey

    #575C60 · --black-250

  • Cool Grey

    #73787D · --black-300

  • Medium Aqua Marine

    #9CDEBC · --green-500

  • Pink

    #FCC5C5 · --red-500

  • Warm Off White

    #FDE2E2 · --red-600

  • Cool Light Grey

    #ACB3B9 · --black-350

  • Cool Light Grey

    #C8CCD0 · --black-400

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Typography

Faces from Google Fonts are shown in the real thing. Others are licensed to the site, so they show in your device’s copy if you have one, or a stand-in if not.

Segoe UI Adjusted

Aa 400 Aa 800

Segoe UI Adjusted

Self-hosted · weights 400, 600, 700, 800 · headings, body · shown in a stand-in if you don’t have it

Aa 400

Cascadia Mono

System font, or not loaded on this page · shown in a stand-in if you don’t have it

ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
0123456789 ! ? & @ % $ – ’ “ ”

Type scale

From the site’s CSS · root 13 px
Heading 1 1.61538462rem · 21 px / 1.3

Super User

Heading 2 1.46153846rem · 19 px / 1.3

Super User

Heading 3 1.15384615rem · 15 px / 1.3

Super User

Heading 4 100%

Super User

Heading 5 100%

Super User

Heading 6 100%

Super User

Body 13px / calc((13 + 4) / 13) Segoe UI Adjusted

Q&A for computer enthusiasts and power users

Paragraph 100%

Q&A for computer enthusiasts and power users

Small 100%

Q&A for computer enthusiasts and power users

Button 100%

Get started

Link 100%

Read more about Super User

Sizes in use

Most common across the site
  • 27pxline calc((13 + 2) / 13) · 7 rules
  • 21pxline calc((13 + 2) / 13) · 6 rules
  • 19pxline 2.22 · 10 rules
  • 17pxline 24px · 23 rules
  • 15pxline 1 · 28 rules
  • 13pxline calc((13 + 4) / 13) · 50 rules
  • 12pxline 1 · 58 rules
  • 11pxline 1.3 · 40 rules

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Elements

The main button and link as the site’s CSS draws them, and the corner radii and shadows it uses most.

Elements

Button

Get started

.top-notification .-content .btn · #F48024

Corner radius

  • calc(12px - 2px) · 44×
  • calc(4px) · 38×
  • 3px · 18×
  • calc(6px) · 13×
  • 2px · 13×

Shadows

  • 0 0 0 2px ,0 0 0 4px
  • 0 0 0 4px
  • 0 0 0 1px ,0 0 0 calc(4px - 1px)

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Layout

Breakpoints from the site’s media queries and the widths its content is held to, with how often each appears.

Grid

Breakpoints

607
640
816
947
980
1100
1111
1264

On a scale of 0 to 1440 px.

Content widths (max-width)

1264 px
1100 px
640 px
600 px
435 px
430 px

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Notes

Plain checks on what was found. Worth fixing if you look after this site.

Notes

  • ● FineThe title is 10 characters, short enough to show in full in search results.
  • ▲ CheckThe description is only 44 characters. There is room to say more.

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Questions

Quick answers, from the same capture as the rest of this guide.

Questions

What font does Super User use?
Super User’s website uses one typeface: Segoe UI Adjusted (headings and body text), self-hosted.
What are Super User’s brand colours?
The main colours on superuser.com are Crimson (#C83232), Steel Blue (#1B75D0), Corn Silk (#FFF4D1), Royal Blue (#145799), Chocolate (#E7700D) and Sea Green (#18864B).
What colour is Super User’s text and background?
Body text is #0C0D0E on a #FFFFFF background.
Where is Super User’s logo from?
The logo shown in this guide was found on superuser.com’s homepage. For official logo files and usage rules, check Super User’s own brand or press page.
Is this Super User’s official style guide?
No. SiteStyleGuide made it from superuser.com’s public web pages on 2 November 2026, and isn’t affiliated with Super User. Members can refresh a guide after 90 days to pick up changes.

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Design tokens

Everything above as CSS variables, ready to paste into a project. Members can download the tokens as files for Figma (Tokens Studio), Style Dictionary and Tailwind.

Tokens

superuser-com-tokens.css

Download

Free with an account: sign up or sign in, and you’ll come straight back here.

/* superuser.com design tokens, from SiteStyleGuide (https://sitestyleguide.com/superuser.com) */
:root {
  /* Colours */
  --text: #0C0D0E;
  --background: #FFFFFF;
  --colour-white: #FFFFFF;
  --colour-off-white: #E3E6E8;
  --colour-near-black: #0C0D0E;
  --colour-cool-charcoal: #3B4045;
  --colour-crimson: #C83232;
  --colour-steel-blue: #1B75D0;
  --colour-corn-silk: #FFF4D1;
  --colour-royal-blue: #145799;
  --colour-chocolate: #E7700D;
  --colour-sea-green: #18864B;
  --colour-light-sky-blue: #90C4F9;
  --colour-alice-blue: #D6E8FA;
  --colour-aqua: #00FFFF;
  --colour-dark-slate-blue: #0C3B6A;
  --colour-light-steel-blue: #BDC1FE;
  --colour-peach-puff: #EDD2BA;
  --gradient-1: linear-gradient(hsla(0,0%,100%,0), hsl(0,0%,100%));
  --gradient-2: linear-gradient(to right, 8%, 16%, 25%, 42%, 58%, 75%, 83%);
  --gradient-3: linear-gradient(to bottom, 0%, 69%, 100%);

  /* Typefaces */
  --font-headings: -apple-system, blinkmacsystemfont, 'Segoe UI Adjusted', 'Segoe UI', 'Liberation Sans', sans-serif;
  --font-body: -apple-system, blinkmacsystemfont, 'Segoe UI Adjusted', 'Segoe UI', 'Liberation Sans', sans-serif;
  --font-other: ui-monospace, 'Cascadia Mono', 'Segoe UI Mono', 'Liberation Mono', 'Menlo', 'Monaco';

  /* Type scale */
  --text-h1: 1.61538462rem;
  --leading-h1: 1.3;
  --text-h2: 1.46153846rem;
  --leading-h2: 1.3;
  --text-h3: 1.15384615rem;
  --leading-h3: 1.3;
  --text-h4: 100%;
  --text-h5: 100%;
  --text-h6: 100%;
  --text-body: 13px;
  --leading-body: calc((13 + 4) / 13);
  --text-p: 100%;
  --text-small: 100%;
  --text-button: 100%;
  --text-a: 100%;

  /* Shape */
  --radius-1: calc(12px - 2px);
  --radius-2: calc(4px);
  --radius-3: 3px;
  --radius-4: calc(6px);
  --radius-5: 2px;

  /* Layout (breakpoints can’t be used in media queries as variables; they’re here for reference) */
  --breakpoint-1: 607px;
  --breakpoint-2: 640px;
  --breakpoint-3: 816px;
  --breakpoint-4: 947px;
  --breakpoint-5: 980px;
  --breakpoint-6: 1100px;
  --breakpoint-7: 1111px;
  --breakpoint-8: 1264px;
  --max-width-1: 1264px;
  --max-width-2: 1100px;
  --max-width-3: 640px;
  --max-width-4: 600px;
  --max-width-5: 435px;
  --max-width-6: 430px;
}

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Websites whose lead colour is closest to Super User’s

Captured from superuser.com on 2 November 2026. SiteStyleGuide isn’t affiliated with or endorsed by Super User; this guide describes the public website for reference.