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Seafoam Nocturne Faint
Color detail

Seafoam Nocturne Faint

Green · Hue 140
Hex
#2E3831
RGB
rgb(46, 56, 49)
HSL
hsl(140, 10%, 20%)
CMYK
cmyk(18%, 0%, 13%, 78%)
Metrics
S 10% · L 20%
Contrast (WCAG)
on white
12.2:1AA
on black
1.7:1Fail
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Seafoam Nocturne Faint (#2E3831) belongs to the green family — hue 140°, 10% 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-faint: #2E3831;
  --colorarchive-seafoam-nocturne-faint-hsl: hsl(140, 10%, 20%);
  --colorarchive-seafoam-nocturne-faint-rgb: rgb(46, 56, 49);
}

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 the longest-running brands.

Heritage

Verdigris (copper acetate) gave medieval manuscripts 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 and Paris green, both 19th-century arsenic compounds, killed an unknown number of wallpaper-makers and Victorian children before viridian and phthalo greens replaced them. Modern green pigments are remarkably stable; the iconic Brunswick green that became British Racing Green dates to the same chemistry.

Across cultures

Green is the dominant color of Islam — the Prophet's banner, the flags of many Muslim-majority nations, the domes of mosques. In Ireland green is national identity, partly through the shamrock and partly through the political binary with orange. In Japan, green and blue (ao/midori) were a single concept until recently; traffic 'green lights' there are still a deeper teal-ish shade. Across many cultures green simultaneously means growth, fertility, envy, and the supernatural.

In the wild

Starbucks' green has barely changed since 1971. John Deere has used essentially the same green since 1837 — the longest continuous brand color in commerce. The U.S. dollar is green because of the chemistry of camphor and copper sulfate, not branding. Whatsapp, Spotify, and Heineken all anchor on green; each chose it for a different reason (community, sound, Dutch heritage). Hospital scrubs were originally white but switched to green/teal because surgeons were getting after-image fatigue.

How it reads

Green is the hue the eye is most efficient at parsing — half of all our cone cells are tuned near 555nm. That makes green the easiest color to look at for long periods, which is why it dominates productivity software, 'go' indicators, and reading-friendly UI. At low saturation it reads as natural, calm, premium (sage, olive). At high saturation it reads as urgent or playful (Mountain Dew, Slack notifications). It carries one of the strongest semantic loads in product design: 'success', 'go', 'natural', 'safe'.

This particular tone

A dim, atmospheric reading — closer to a colored shadow than a stated hue. Excellent as a near-black on dark UI or as a moody background.

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 low saturation pulls this color toward earthen, vintage, or editorial palettes. It reads as confident and grown-up rather than playful, and it tolerates being used in large blocks without becoming visually noisy.

Brands using a similar color

Within the public brand-guidelines reference catalog, these are the closest matches to #2E3831.

  • Xiaohongshu 小红书neutral
    Slate Text · #333333
    →
  • JD.com 京东neutral
    Slate · #333333
    →
  • Taobao 淘宝neutral
    Slate · #333333
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #2E3831.

  • England (London)Pub Tile Green
    #1F4D2E · Victorian pub interior dado tiling
    →
  • JapanIndigo (ai-iro 藍色)
    #22366E · Persicaria tinctoria fermentation dye
    →
  • Korea (Obangsaek)Obangsaek Black (흑 / heuk)
    #1F1F1F · North — water element, ink and lacquer
    →

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 Faint
#404F45 · hsl(140, 10%, 28%)
Darker companion
Seafoam Ink Faint
#202723 · hsl(140, 10%, 14%)
Complementary counterpoint
Rose Nocturne Faint
#382E35 · hsl(320, 10%, 20%)
Analogous lead
Teal Nocturne Faint
#2E3835 · hsl(160, 10%, 20%)
Analogous echo
Clover Nocturne Faint
#2F382E · hsl(115, 10%, 20%)
Triadic +120°
Orchid Nocturne Faint
#312E38 · hsl(260, 10%, 20%)
Triadic +240°
Ember Nocturne Faint
#38312E · hsl(20, 10%, 20%)
Split-comp +150°
Magenta Nocturne Faint
#362E38 · hsl(290, 10%, 20%)
Split-comp +210°
Merlot Nocturne Faint
#382E30 · hsl(350, 10%, 20%)
Export preview
Base: Seafoam Nocturne Faint #2E3831
Lighter companion: Seafoam Shadow Faint #404F45
Darker companion: Seafoam Ink Faint #202723
Complementary counterpoint: Rose Nocturne Faint #382E35
Analogous lead: Teal Nocturne Faint #2E3835
Analogous echo: Clover Nocturne Faint #2F382E
Triadic +120°: Orchid Nocturne Faint #312E38
Triadic +240°: Ember Nocturne Faint #38312E
Split-comp +150°: Magenta Nocturne Faint #362E38
Split-comp +210°: Merlot Nocturne Faint #382E30

Compare

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

vsSeafoam Shadow FaintvsSeafoam Ink FaintvsRose Nocturne FaintvsTeal Nocturne FaintvsClover Nocturne FaintvsOrchid Nocturne Faint

Nearest neighbors

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

Search by hex
Nearby match
Seafoam Nocturne Muted
#2A3C30 · hsl(140, 18%, 20%)
Nearby match
Seafoam Ink Faint
#202723 · hsl(140, 10%, 14%)
Nearby match
Celadon Nocturne Faint
#2E3832 · hsl(145, 10%, 20%)
Nearby match
Seafoam Shadow Faint
#404F45 · hsl(140, 10%, 28%)
Nearby match
Seafoam Nocturne Dust
#26402F · hsl(140, 26%, 20%)
Nearby match
Seafoam Ink Muted
#1D2A22 · hsl(140, 18%, 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
AAA11.6:1
Rose Veil Faint
#FAF9FA
AAA11.6:1
Rose Veil Muted
#FBF9FA
AAA11.6:1
Rose Veil Dust
#FBF9FA
AAA11.6:1
Rose Veil Soft
#FCF8FA
AAA11.5:1
Rose Veil Clear
#FDF7FB
AAA11.5:1
Rose Veil Vivid
#FEF6FB

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#323133
Protanopia
#333333
Tritanopia
#2F3434
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