Nearest named color: Sea Green
#378B60
#378B60
Nearest named
Sea Green
Family
Green
Lightness
57.3%
Chroma
0.106
Hue angle
158.0°
Temperature
Neutral-leaning
Contrast on white
4.18:1 · AA Large
Contrast on black
4.44:1 · AA Large
Web-safe
#339966
CSS oklch()
57% 0.11 158

#378B60 is a mid-toned, cool teal-green. On the Color Lab it reads organic and grounded, with a faded, vintage edge. It carries a legible label as a UI accent and reproduces cleanly in print.

Palettes built on #378B60

Not just a swatch — here's how #378B60 works with other colors. Named schemes with #378B60 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Sea Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Coastal Morning Lead · 5 colors

Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Sea Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Sea Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Sea Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Sea Green carrying the quiet middle.

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Color Lab

How #378B60 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 40/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 48/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 43/100
Moderate
Mid depth — usable as an accent or a muted ground.
Naturalness 88/100
Very high
Organic, earthy character — at home in wellness, food and craft brands.
Vintage feel 65/100
High
Faded, nostalgic quality — editorial, heritage and retro work.
Luxury 50/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 29/100
Low
Quiet and neutral — a supporting tone, not a signature.
UI accent fit 92/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 27/100
Low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 78/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #378B60

For UI
For branding
For interior
For fashion
People also use #378B60 with

UI roles & guardrails

Primary action Too mid-tone for a filled button — darken for the fill. AA Large
Body text Do not use for body copy on light surfaces. Avoid
Large display Fine for headings 24px+ on white. Pass
Background Pair with #141310 text at 4.4:1. Use
Subtle surface Use #D6E9DF for cards and hover fills. Tint 80
Avoid beside #378B7B — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #378B60 at work across the surfaces designers actually ship.

Website / UI
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Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #378B60;
  --color-base-rgb: 55 139 96;
  --color-base-oklch: oklch(57.3% 0.106 158.0);
  --color-50: #F4FBF7;
  --color-100: #E1F4EA;
  --color-200: #C5E8D6;
  --color-300: #9CD3B7;
  --color-400: #75BD98;
  --color-500: #55A079;
  --color-600: #467C60;
  --color-700: #365947;
  --color-800: #263B30;
  --color-900: #19241E;
  --color-on-base: #141310;
}