Nearest named color: Dark Cyan
#128E82
#128E82
Nearest named
Dark Cyan
Family
Blue
Lightness
58.3%
Chroma
0.100
Hue angle
184.2°
Temperature
Cool
Contrast on white
4.03:1 · AA Large
Contrast on black
4.62:1 · AA
Web-safe
#009999
CSS oklch()
58% 0.10 184

#128E82 is a mid-toned, cool cyan. On the Color Lab it reads with a faded, vintage edge. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #128E82

Not just a swatch — here's how #128E82 works with other colors. Named schemes with #128E82 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Dark Cyan 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

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

Modern Café Dominant · 5 colors

Dark Cyan anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

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

Minimal Editorial Surface · 5 colors

Dark Cyan 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 Dark Cyan carrying the quiet middle.

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Color Lab

How #128E82 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 29/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 49/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 42/100
Moderate
Mid depth — usable as an accent or a muted ground.
Naturalness 30/100
Low
Loosely natural — an earthy edge without being rustic.
Vintage feel 59/100
Moderate
Faded, nostalgic quality — editorial, heritage and retro work.
Luxury 49/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 27/100
Low
Quiet and neutral — a supporting tone, not a signature.
UI accent fit 89/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 30/100
Low
Usable as a tinted surface in measured doses.
Print safety 77/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #128E82

For UI
For branding
For interior
For fashion

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA
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 4.6:1. Use
Subtle surface Use #C8F0EC for cards and hover fills. Tint 80
Avoid beside #11708D — 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 #128E82 at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
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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: #128E82;
  --color-base-rgb: 18 142 130;
  --color-base-oklch: oklch(58.3% 0.100 184.2);
  --color-50: #F1FEFD;
  --color-100: #DAFBF8;
  --color-200: #B6F6F0;
  --color-300: #85EAE0;
  --color-400: #58DACD;
  --color-500: #36BFB1;
  --color-600: #309188;
  --color-700: #286761;
  --color-800: #1E433F;
  --color-900: #142927;
  --color-on-base: #141310;
}