New Genre
newgenre.studio · 1 day ago
SaveUnofficial A style guide made by SiteStyleGuide from gnu.org’s public web pages. Not affiliated with or endorsed by gnu.org. The real site is gnu.org ↗
Unofficial style guide
gnu.orgstyle guide
gnu.org’s website (gnu.org) uses Noto Sans Display for its headings and body text. Its palette is led by Brown (#A32D2A), Dark Slate Grey (#006363) and Lavender (#EBEBFF), with #222222 text on #FFFFFF. Captured from the live site on 31 October 2026.
- Website
- gnu.org
- Typefaces
- Noto Sans Display, Noto Sans, Dosis
- Palette
- 4 neutrals, 12 colours, 3 gradients
- Captured
- 31 Oct 2026 · added by @sitestyleguide
https://www.gnu.org/
Screenshot
gnu.org
Identity & metadata
What browsers, search engines and social cards show before anyone reaches the page, from the homepage’s <head>.
Title &
description
- Page title
- The GNU Operating System and the Free Software Movement
- ● 55 / 60 characters
- Meta description
- Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.
- ● 152 / 160 characters
- Language
- en
In search results
gnu.orghttps://www.gnu.org/
The GNU Operating System and the Free Software Movement
Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.
When shared
No og:image, so no picture
gnu.org
The GNU Operating System and the Free Software Movement
Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom …
Logo & favicons
Found as: image linked to the homepage. PNG, 145 × 142.
Logo
On white
On black
On Brown
Favicons
2 found-
32 px · PNG
icon
-
18 px · ICO favicon.ico
The GNU Operating System and the Free Software Movement
Light browser tab
The GNU Operating System and the Free Software Movement
Dark browser tab
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 (#222222) and white, using WCAG 2 ratios: 4.5 for body text, 3 for large text.
Colour
Balance
How much each colour is used- White 35%
- Light Grey 9.7%
- Black 9.4%
- Charcoal 8.5%
- Brown 5.9%
- Dark Slate Grey 5%
- Lavender 4.4%
- Light Slate Blue 3.2%
- Light Cyan 3.2%
- Tomato 2.8%
- Slate Blue 2.7%
- Lemon Chiffon 2.3%
- Blue 2.2%
- Navajo White 1.9%
- Deep Slate Blue 1.9%
- Dark Cyan 1.9%
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
- 15.91:1 AAA
- On white
- —
Background, text · body, .button a[href]
-
Light Grey
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 0 0 0 27
- On text
- 8.29:1 AAA
- On white
- 1.92:1 Fail
Border, background, graphic · .column-limit, body
-
Black
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 0 0 0 100
- On text
- 1.32:1 Fail
- On white
- 21.00:1 AAA
Text, border · .big-section h3, .big-subsection h4
-
Charcoal
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 0 0 0 80
- On text
- 1.26:1 Fail
- On white
- 12.63:1 AAA
Text · h3, #footer
Colours
Brand colours and accents, most used first-
Brown
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 0 72 74 36
- On text
- 2.25:1 Fail
- On white
- 7.08:1 AAA
Text, border, background · #navigation, #join-fsf a
-
Dark Slate Grey
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 100 0 0 61
- On text
- 2.25:1 Fail
- On white
- 7.08:1 AAA
Text · #fssbox input[type="submit"], #fssbox input[type="text"]:focus ~ input[type="submit"]
-
Lavender
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 8 8 0 0
- On text
- 13.53:1 AAA
- On white
- 1.18:1 Fail
Background · .button a[href]:hover, .second-column .emph-box.color1
-
Light Slate Blue
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 66 66 0 27
- On text
- 2.02:1 Fail
- On white
- 7.87:1 AAA
Text · .button a[href], #support-the-fsf a.donate
-
Light Cyan
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 13 0 0 0
- On text
- 15.02:1 AAA
- On white
- 1.06:1 Fail
Background · #fssbox input[type="text"]:focus ~ input[type="submit"], .second-column .emph-box.color2
-
Tomato
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 0 67 74 9
- On text
- 4.16:1 AA large
- On white
- 3.82:1 AA large
Border · .big-section h3
-
Slate Blue
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 55 55 0 27
- On text
- 2.58:1 Fail
- On white
- 6.17:1 AA
Border, text · #btn-left a[href], .button a[href]:hover
-
Lemon Chiffon
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 0 5 25 0
- On text
- 14.09:1 AAA
- On white
- 1.13:1 Fail
Background · .listing th, span.highlight
-
Blue
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 75 75 0 20
- On text
- 1.88:1 Fail
- On white
- 8.45:1 AAA
Text · .button a[href]:hover, #support-the-fsf a.donate:hover
-
Navajo White
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 0 20 53 0
- On text
- 10.72:1 AAA
- On white
- 1.48:1 Fail
Border · .highlight-para, #outdated
-
Deep Slate Blue
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 100 56 0 40
- On text
- 1.73:1 Fail
- On white
- 9.18:1 AAA
Text · a[href]:link, #translations a[href]
-
Dark Cyan
- HEX
- RGB
- HSL
- OKLCH
- CMYK
- 100 0 0 47
- On text
- 3.70:1 AA large
- On white
- 4.31:1 AA large
Border · #fssbox input[type="submit"], #support-the-fsf a.shop
Gradients
-
linear-gradient(to right,white,#bbb,white)
-
linear-gradient(#eef, white)
-
linear-gradient(#dff, white)
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.
Noto Sans Display
Aa
700
Noto Sans Display
System font, or not loaded on this page · weights 700 · buttons · shown in a stand-in if you don’t have it
Aa
400
Noto Sans
System font, or not loaded on this page · shown in a stand-in if you don’t have it
Aa
400
Dosis
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
Heading 1
2.375em · 38 px
weight 700
gnu.org
Heading 2
2em · 32 px
weight 700
The GNU Operating System and the Free Software …
Heading 3
1.5em · 24 px
weight 700
The GNU Operating System and the Free Software …
Heading 4
1.25em · 20 px
weight 700
The GNU Operating System and the Free Software …
Heading 5
1.125em · 18 px
weight 400
The GNU Operating System and the Free Software …
Heading 6
1em · 16 px
weight 400
The GNU Operating System and the Free Software …
Body
1em · 16 px
Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the softw…
Paragraph
.9em · 14 px / 1.2em
Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the softw…
Small
.875em · 14 px
Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the softw…
Link
1.2em · 19 px / 1.4em
weight 700 · Noto Sans Display
Read more about gnu.org
Sizes in use
Most common across the site- 32px2 rules
- 20px3 rules
- 19pxline 1.4em · 4 rules
- 18px3 rules
- 17px4 rules
- 16pxline 1.5em · 8 rules
- 15pxline 1.2em · 6 rules
- 14px5 rules
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
.button a[href] · #FFFFFF
Corner radius
- .5em · 2×
- .25em · 1×
- .4em · 1×
- .3em · 1×
Shadows
- 0 0 5px 5px #bbb
- 0 0 1em 1em #9999
Layout
Breakpoints from the site’s media queries and the widths its content is held to, with how often each appears.
Grid
Breakpoints
320
480
544
720
768
800
816
912
On a scale of 0 to 1440 px.
Content widths (max-width)
1198 px
576 px
464 px
336 px
Notes
Plain checks on what was found. Worth fixing if you look after this site.
Notes
- ● FineThe title is 55 characters, short enough to show in full in search results.
- ▲ CheckThere is no og:image, so links shared on social media show no picture.
Questions
Quick answers, from the same capture as the rest of this guide.
Questions
- What font does gnu.org use?
- gnu.org’s website uses one typeface: Noto Sans Display (headings and body text), a system font.
- What are gnu.org’s brand colours?
- The main colours on gnu.org are Brown (#A32D2A), Dark Slate Grey (#006363), Lavender (#EBEBFF), Light Slate Blue (#4040BB), Light Cyan (#DDFFFF) and Tomato (#E74C3C).
- What colour is gnu.org’s text and background?
- Body text is #222222 on a #FFFFFF background.
- Where is gnu.org’s logo from?
- The logo shown in this guide was found on gnu.org’s homepage. For official logo files and usage rules, check gnu.org’s own brand or press page.
- Is this gnu.org’s official style guide?
- No. SiteStyleGuide made it from gnu.org’s public web pages on 31 October 2026, and isn’t affiliated with gnu.org. Members can refresh a guide after 90 days to pick up changes.
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
gnu-org-tokens.css
/* gnu.org design tokens, from SiteStyleGuide (https://sitestyleguide.com/gnu.org) */
:root {
/* Colours */
--text: #222222;
--background: #FFFFFF;
--colour-white: #FFFFFF;
--colour-light-grey: #BBBBBB;
--colour-black: #000000;
--colour-charcoal: #333333;
--colour-brown: #A32D2A;
--colour-dark-slate-grey: #006363;
--colour-lavender: #EBEBFF;
--colour-light-slate-blue: #4040BB;
--colour-light-cyan: #DDFFFF;
--colour-tomato: #E74C3C;
--colour-slate-blue: #5555BB;
--colour-lemon-chiffon: #FFF1C0;
--colour-blue: #3333CC;
--colour-navajo-white: #FFCC77;
--colour-deep-slate-blue: #004499;
--colour-dark-cyan: #008888;
--gradient-1: linear-gradient(to right,white,#bbb,white);
--gradient-2: linear-gradient(#eef, white);
--gradient-3: linear-gradient(#dff, white);
/* Typefaces */
--font-buttons: 'Noto Sans Display', 'Noto Sans', 'Liberation Sans', sans-serif;
--font-other: 'Noto Sans', 'Liberation Sans', sans-serif;
/* Type scale */
--text-h1: 2.375em;
--text-h2: 2em;
--text-h3: 1.5em;
--text-h4: 1.25em;
--text-h5: 1.125em;
--text-h6: 1em;
--text-body: 1em;
--text-p: .9em;
--leading-p: 1.2em;
--text-small: .875em;
--text-a: 1.2em;
--leading-a: 1.4em;
/* Shape */
--radius-1: .5em;
--radius-2: .25em;
--radius-3: .4em;
--radius-4: .3em;
/* Layout (breakpoints can’t be used in media queries as variables; they’re here for reference) */
--breakpoint-1: 320px;
--breakpoint-2: 480px;
--breakpoint-3: 544px;
--breakpoint-4: 720px;
--breakpoint-5: 768px;
--breakpoint-6: 800px;
--breakpoint-7: 816px;
--breakpoint-8: 912px;
--max-width-1: 1198px;
--max-width-2: 576px;
--max-width-3: 464px;
--max-width-4: 336px;
}
{
"site": "gnu.org",
"source": "https://sitestyleguide.com/gnu.org",
"text": "#222222",
"background": "#FFFFFF",
"colours": [
{
"name": "White",
"hex": "#FFFFFF",
"rgb": [
255,
255,
255
]
},
{
"name": "Light Grey",
"hex": "#BBBBBB",
"rgb": [
187,
187,
187
]
},
{
"name": "Black",
"hex": "#000000",
"rgb": [
0,
0,
0
]
},
{
"name": "Charcoal",
"hex": "#333333",
"rgb": [
51,
51,
51
]
},
{
"name": "Brown",
"hex": "#A32D2A",
"rgb": [
163,
45,
42
]
},
{
"name": "Dark Slate Grey",
"hex": "#006363",
"rgb": [
0,
99,
99
]
},
{
"name": "Lavender",
"hex": "#EBEBFF",
"rgb": [
235,
235,
255
]
},
{
"name": "Light Slate Blue",
"hex": "#4040BB",
"rgb": [
64,
64,
187
]
},
{
"name": "Light Cyan",
"hex": "#DDFFFF",
"rgb": [
221,
255,
255
]
},
{
"name": "Tomato",
"hex": "#E74C3C",
"rgb": [
231,
76,
60
]
},
{
"name": "Slate Blue",
"hex": "#5555BB",
"rgb": [
85,
85,
187
]
},
{
"name": "Lemon Chiffon",
"hex": "#FFF1C0",
"rgb": [
255,
241,
192
]
},
{
"name": "Blue",
"hex": "#3333CC",
"rgb": [
51,
51,
204
]
},
{
"name": "Navajo White",
"hex": "#FFCC77",
"rgb": [
255,
204,
119
]
},
{
"name": "Deep Slate Blue",
"hex": "#004499",
"rgb": [
0,
68,
153
]
},
{
"name": "Dark Cyan",
"hex": "#008888",
"rgb": [
0,
136,
136
]
}
],
"fonts": [
{
"name": "Noto Sans Display",
"stack": "\"Noto Sans Display\", \"Noto Sans\", \"Liberation Sans\", sans-serif",
"weights": [
700
],
"source": "System font, or not loaded on this page"
},
{
"name": "Noto Sans",
"stack": "\"Noto Sans\", \"Liberation Sans\", sans-serif",
"weights": [],
"source": "System font, or not loaded on this page"
},
{
"name": "Dosis",
"stack": "\"Dosis\", \"Noto Sans Display\", \"Noto Sans\", \"Liberation Sans\", sans-serif",
"weights": [],
"source": "System font, or not loaded on this page"
}
]
}
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Share
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Similar colours
Websites whose lead colour is closest to gnu.org’s
Captured from gnu.org on 31 October 2026. SiteStyleGuide isn’t affiliated with or endorsed by gnu.org; this guide describes the public website for reference.