We're live on Product Hunt!Support us
ColorArchive

A curated color library with 5,446 algorithmically generated colors. Browse, search, save favorites, and export palette tokens — no account required.

CollectionsFamiliesBrandsRegionsJournalNotesGuidesFree ResourcesEmbed widgetConvertColorblindAboutSupportUpdatesiOS app
Ready for static export
Privacy·Terms·Refunds·Cookies·Commerce Disclosure
colorarchive.org · © 2026 ColorArchive
Skip to content
ColorArchive
ProLog in
ArchiveAll ColorsCollections
Seafoam Nocturne Clear
Color detail

Seafoam Nocturne Clear

Green · Hue 140
Metrics
S 54% · L 20%
Contrast (WCAG)
on white9.6:1AAon black2.2:1Fail
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Seafoam Nocturne Clear (#174F2A) belongs to the green family — hue 140°, 54% saturation, 20% lightness. Copy the hex, RGB, or HSL value above, or paste the CSS custom property below into your stylesheet to reference this color directly.

CSS
:root {
  --colorarchive-seafoam-nocturne-clear: #174F2A;
  --colorarchive-seafoam-nocturne-clear-hsl: hsl(140, 54%, 20%);
  --colorarchive-seafoam-nocturne-clear-rgb: rgb(23, 79, 42);
}

AI Color Names

Let AI suggest alternative poetic names for this color in English and Chinese.

Design Context

PrestigiousTimelessAuthoritative
Common in

Banking · Law Firms · Luxury Real Estate

Pairs well with

Gold, ivory, or warm white for classic elegance

Design tip

Excellent for dark mode themes and premium interfaces. Deep green with gold accents creates an instantly luxurious feel.

Cultural context ▶

Deep greens like forest and hunter green evoke tradition, wealth, and the British countryside. Common in Ivy League branding.

Color Origins

Green family

The color of growth, currency, and long-running brands.

Heritage

Verdigris (copper acetate) gave medieval manuscripts many of their greens; it was unstable, eating through parchment over centuries. Terre verte (green earth) was used for under-painting flesh in the Italian tradition. Scheele's green (1775) and Paris green, arsenic compounds widely used in the 19th century, killed an unknown number of workers and Victorian children before viridian and phthalo greens replaced them. Modern green pigments are remarkably stable.

Across cultures

Green is closely associated with Islam — it appears on the flags of many Muslim-majority nations and on the Green Dome in Medina. In Ireland green is national identity, partly through the shamrock and partly through the political binary with orange. In Old Japanese a single word, ao, covered both blue and green; the 'go' traffic light is still officially ao, and since 1973 has been set to a bluish shade of green. Across many cultures green simultaneously means growth, fertility, envy, and the supernatural.

In the wild

Starbucks moved its logo from the original 1971 brown to green in 1987. John Deere's green and yellow has marked its machines for more than a century. U.S. banknotes have been printed in green since the 1860s; the Bureau of Engraving and Printing says no one can say for certain why green was first chosen, but it kept the color for the 1929 small-size notes because the pigment was plentiful, durable, and associated with the government's stable credit. WhatsApp, Spotify, and Heineken all anchor on green. Hospital scrubs were originally white and moved to green and teal; a common explanation is that green hides the green after-images surgeons see on white surfaces after staring at red tissue.

How it reads

Green sits near the peak of the eye's daylight sensitivity — the photopic luminosity curve peaks at 555nm. At low saturation it reads as natural, calm, premium (sage, olive). At high saturation it reads as urgent or playful. It carries one of the strongest semantic loads in product design: 'success', 'go', 'natural', 'safe'.

This particular tone

A deep, weighted version of the hue — formal, considered, and pairs especially well with off-white and warm metallic accents.

Lightness band: At this depth the hue starts behaving like a neutral — it can substitute for black in many contexts while still carrying a faint chromatic temperature. It pairs especially well with off-whites and warm metallics.

Saturation band: The clear, mid-saturation register is a common identity sweet spot — saturated enough to register as a 'real' color, restrained enough not to fight typography or photography placed over it.

Brands using a similar color

Within the public brand-guidelines reference catalog, these are the closest matches to #174F2A.

  • Starbucksprimary
    Starbucks Green · #006241
    →
  • Xiaohongshu 小红书neutral
    Slate Text · #333333
    →
  • JD.com 京东neutral
    Slate · #333333
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #174F2A.

  • England (London)Pub Tile Green
    #1F4D2E · Victorian pub interior dado tiling
    →
  • BrazilAmazon Green
    #1B6D3F · Tropical rainforest canopy
    →
  • IndiaMughal Blue
    #1B4F72 · Indo-Persian miniature paintings
    →

Color guides

Go deeper on using green and color in design.

UI DesignColor in Financial UI: Trust, Data Visualization, and the Red/Green ConventionColor History1970s Earth Tone Colors: Harvest Gold, Avocado Green & Burnt Orange PalettesColor TheoryColor Temperature in Design: Warm vs. Cool and How to Use the Difference

Tonal strip

All lightness levels at this hue and saturation. Click any to navigate.

Palette moves

Instead of stopping at one swatch, use nearby, opposite, and tonal neighbors to branch into a broader palette.

Lighter companion
Seafoam Shadow Clear
#216E3B · hsl(140, 54%, 28%)
Darker companion
Seafoam Ink Clear
#10371D · hsl(140, 54%, 14%)
Complementary counterpoint
Rose Nocturne Clear
#4F173C · hsl(320, 54%, 20%)
Analogous lead
Teal Nocturne Clear
#174F3C · hsl(160, 54%, 20%)
Analogous echo
Clover Nocturne Clear
#1C4F17 · hsl(115, 54%, 20%)
Triadic +120°
Orchid Nocturne Clear
#2A174F · hsl(260, 54%, 20%)
Triadic +240°
Ember Nocturne Clear
#4F2A17 · hsl(20, 54%, 20%)
Split-comp +150°
Magenta Nocturne Clear
#45174F · hsl(290, 54%, 20%)
Split-comp +210°
Merlot Nocturne Clear
#4F1721 · hsl(350, 54%, 20%)
Export preview
Base: Seafoam Nocturne Clear #174F2A
Lighter companion: Seafoam Shadow Clear #216E3B
Darker companion: Seafoam Ink Clear #10371D
Complementary counterpoint: Rose Nocturne Clear #4F173C
Analogous lead: Teal Nocturne Clear #174F3C
Analogous echo: Clover Nocturne Clear #1C4F17
Triadic +120°: Orchid Nocturne Clear #2A174F
Triadic +240°: Ember Nocturne Clear #4F2A17
Split-comp +150°: Magenta Nocturne Clear #45174F
Split-comp +210°: Merlot Nocturne Clear #4F1721

Compare

See how Seafoam Nocturne Clear compares side by side with related colors.

vsSeafoam Shadow ClearvsSeafoam Ink ClearvsRose Nocturne ClearvsTeal Nocturne ClearvsClover Nocturne ClearvsOrchid Nocturne Clear

Nearest neighbors

The closest archive matches by hue, saturation, and lightness.

Search by hex
Nearby match
Seafoam Ink Clear
#10371D · hsl(140, 54%, 14%)
Nearby match
Celadon Nocturne Clear
#174F2E · hsl(145, 54%, 20%)
Nearby match
Seafoam Shadow Clear
#216E3B · hsl(140, 54%, 28%)
Nearby match
Seafoam Nocturne Soft
#22442D · hsl(140, 34%, 20%)
Nearby match
Seafoam Nocturne Vivid
#0D5926 · hsl(140, 74%, 20%)
Nearby match
Celadon Ink Clear
#103720 · hsl(145, 54%, 14%)

Accessible pairings

Archive colors that meet WCAG contrast standards when paired with this color. Use as text-on-background or background-on-text.

Contrast checker
AAA9.1:1
Rose Veil Faint
#FAF9FA
AAA9.2:1
Rose Veil Muted
#FBF9FA
AAA9.2:1
Rose Veil Dust
#FBF9FA
AAA9.1:1
Rose Veil Soft
#FCF8FA
AAA9.1:1
Rose Veil Clear
#FDF7FB
AAA9:1
Rose Veil Vivid
#FEF6FB

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#343038
Protanopia
#373836
Tritanopia
#1D3D3F
Color of the Day

Like Seafoam Nocturne Clear? Get one like it every morning.

One hand-picked color a day — with its hex, family, and the story behind it.

Get a color every morning

One email per day. Unsubscribe anytime.

Ready to build

Turn these colors into design tokens

Copy the CSS variables and the Tailwind class free, right here. ColorArchive Pro lifts the daily export limit — 10 a day signed in, 3 without an account.

Upgrade to ProFree downloadView collections

Saturation ladder

Same hue and lightness, from gray to pure

Search
Seafoam Nocturne Faint#2E3831 · hsl(140, 10%, 20%)Seafoam Nocturne Muted#2A3C30 · hsl(140, 18%, 20%)Seafoam Nocturne Dust#26402F · hsl(140, 26%, 20%)Seafoam Nocturne Soft#22442D · hsl(140, 34%, 20%)Seafoam Nocturne Clear#174F2A · hsl(140, 54%, 20%)Seafoam Nocturne Vivid#0D5926 · hsl(140, 74%, 20%)Seafoam Nocturne Bright#085E25 · hsl(140, 84%, 20%)Seafoam Nocturne Pure#046223 · hsl(140, 92%, 20%)
More from Green →