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Seafoam Shadow Dust
Color detail

Seafoam Shadow Dust

Green · Hue 140
Hex
#355A41
RGB
rgb(53, 90, 65)
HSL
hsl(140, 26%, 28%)
CMYK
cmyk(41%, 0%, 28%, 65%)
Metrics
S 26% · L 28%
Contrast (WCAG)
on white
7.8:1AA
on black
2.7:1Fail
Save to journalSign in to saveStart palette from thisRecent trail

About this color

Seafoam Shadow Dust (#355A41) belongs to the green family — hue 140°, 26% saturation, 28% 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-shadow-dust: #355A41;
  --colorarchive-seafoam-shadow-dust-hsl: hsl(140, 26%, 28%);
  --colorarchive-seafoam-shadow-dust-rgb: rgb(53, 90, 65);
}

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 #355A41.

  • Airbnbneutral
    Hof Gray · #484848
    →
  • Starbucksprimary
    Starbucks Green · #006241
    →
  • Xiaohongshu 小红书neutral
    Slate Text · #333333
    →

Cultures using a similar color

From the cultural-palette catalog, these regions feature a color close to #355A41.

  • ScandinaviaForest Green
    #3D5B49 · Spruce / fir forest in winter light
    →
  • Italy (Tuscany)Cypress Green
    #3F5E47 · Tuscan hilltop cypresses
    →
  • Greece (Aegean)Cypress Green
    #3E6B47 · Cupressus sempervirens
    →

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 Dusk Dust
#406D4F · hsl(140, 26%, 34%)
Darker companion
Seafoam Nocturne Dust
#26402F · hsl(140, 26%, 20%)
Complementary counterpoint
Rose Shadow Dust
#5A354E · hsl(320, 26%, 28%)
Analogous lead
Teal Shadow Dust
#355A4E · hsl(160, 26%, 28%)
Analogous echo
Clover Shadow Dust
#385A35 · hsl(115, 26%, 28%)
Triadic +120°
Orchid Shadow Dust
#41355A · hsl(260, 26%, 28%)
Triadic +240°
Ember Shadow Dust
#5A4135 · hsl(20, 26%, 28%)
Split-comp +150°
Magenta Shadow Dust
#54355A · hsl(290, 26%, 28%)
Split-comp +210°
Merlot Shadow Dust
#5A353B · hsl(350, 26%, 28%)
Export preview
Base: Seafoam Shadow Dust #355A41
Lighter companion: Seafoam Dusk Dust #406D4F
Darker companion: Seafoam Nocturne Dust #26402F
Complementary counterpoint: Rose Shadow Dust #5A354E
Analogous lead: Teal Shadow Dust #355A4E
Analogous echo: Clover Shadow Dust #385A35
Triadic +120°: Orchid Shadow Dust #41355A
Triadic +240°: Ember Shadow Dust #5A4135
Split-comp +150°: Magenta Shadow Dust #54355A
Split-comp +210°: Merlot Shadow Dust #5A353B

Compare

See how Seafoam Shadow Dust compares side by side with related colors.

vsSeafoam Dusk DustvsSeafoam Nocturne DustvsRose Shadow DustvsTeal Shadow DustvsClover Shadow DustvsOrchid Shadow Dust

Nearest neighbors

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

Search by hex
Nearby match
Seafoam Shadow Muted
#3B5443 · hsl(140, 18%, 28%)
Nearby match
Seafoam Shadow Soft
#2F603F · hsl(140, 34%, 28%)
Nearby match
Seafoam Dusk Dust
#406D4F · hsl(140, 26%, 34%)
Nearby match
Celadon Shadow Dust
#355A44 · hsl(145, 26%, 28%)
Nearby match
Seafoam Nocturne Dust
#26402F · hsl(140, 26%, 20%)
Nearby match
Seafoam Shadow Faint
#404F45 · hsl(140, 10%, 28%)

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
AAA7.4:1
Rose Veil Faint
#FAF9FA
AAA7.4:1
Rose Veil Muted
#FBF9FA
AAA7.4:1
Rose Veil Dust
#FBF9FA
AAA7.4:1
Rose Veil Soft
#FCF8FA
AAA7.4:1
Rose Veil Clear
#FDF7FB
AAA7.4:1
Rose Veil Vivid
#FEF6FB

Color Vision Simulation

How this color appears with different color vision deficiencies.

Full simulator
Deuteranopia
#46434A
Protanopia
#484848
Tritanopia
#384D4E
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