What color is #5BB1BE?

#5BB1BE is a medium cyan. In RGB it is rgb(91, 177, 190), and in HSL hsl(188, 43%, 55%).

Is #5BB1BE accessible as text?

On white, #5BB1BE has a contrast ratio of 2.48:1 (fails WCAG AA for body text); on black it is 8.48:1 (passes). For text placed on #5BB1BE, use black for the best readability.

What is the closest Tailwind color to #5BB1BE?

The nearest Tailwind CSS token is cyan-500 (#00B8DB).

What colors go well with #5BB1BE?

#5BB1BE pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BE685B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #5BB1BE below.

Is #5BB1BE good for buttons?

#5BB1BE works well for buttons and highlights, but use black text on #5BB1BE — white text only reaches 2.48:1, below the 4.5:1 needed for normal-size labels.

Is #5BB1BE the same as CSS lightseagreen?

No — #5BB1BE is not the CSS named color lightseagreen, but lightseagreen (#20B2AA) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#5BB1BE Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #5BB1BE

Not just a swatch — here's how #5BB1BE works with other colors. Named schemes with #5BB1BE in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #5BB1BE Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Verdigris keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Coastal Morning Lead · 5 colors

Lead #5BB1BE Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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

Japanese Sand Base · 5 colors

Base #5BB1BE Surface #ECEADC Highlight #F4F2E7 Secondary #B4B19F Ink #2A2723

Verdigris sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Tech Product Signal · 5 colors

Signal #5BB1BE Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #8BD6E2

Verdigris is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Verdigris.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #5BB1BE Secondary #B9D4D9 Support #979286 Ink #16140F

Verdigris 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 Verdigris carrying the quiet middle.

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Color Lab

How #5BB1BE 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 27/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 61/100

High

Middle-weight — neither delicate nor heavy.

Depth 28/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 36/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 50/100

Moderate

Workable accent with care around contrast.

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #5BB1BE

For UI

For branding

For interior

For fashion

People also use #5BB1BE with

Medium Aquamarine Glaucous Indian Red Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA

Body text Do not use for body copy on light surfaces. Avoid

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 7.5:1. Use

Subtle surface Use #E1EDEF for cards and hover fills. Tint 80

Avoid beside #5B90BE — 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 #5BB1BE 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

Every model

Export

:root {
  --color-base: #5BB1BE;
  --color-base-rgb: 91 177 190;
  --color-base-oklch: oklch(71.2% 0.085 208.3);
  --color-50: #F4FAFB;
  --color-100: #E1F1F4;
  --color-200: #C5E3E8;
  --color-300: #9CCCD3;
  --color-400: #75B3BD;
  --color-500: #5596A0;
  --color-600: #46757C;
  --color-700: #365459;
  --color-800: #26383B;
  --color-900: #192324;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  verdigris: {
    50: '#F4FAFB',
    100: '#E1F1F4',
    200: '#C5E3E8',
    300: '#9CCCD3',
    400: '#75B3BD',
    500: '#5596A0',
    600: '#46757C',
    700: '#365459',
    800: '#26383B',
    900: '#192324',
  },
}

$base: #5BB1BE;
$base-ink: #141310;
$base-50: #F4FAFB;
$base-100: #E1F1F4;
$base-200: #C5E3E8;
$base-300: #9CCCD3;
$base-400: #75B3BD;
$base-500: #5596A0;
$base-600: #46757C;
$base-700: #365459;
$base-800: #26383B;
$base-900: #192324;
$base-hover: #4094A0;
$base-subtle: #D1E5E8;

{
    "color": {
        "base": {
            "value": "#5BB1BE",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAFB",
                "type": "color"
            },
            "100": {
                "value": "#E1F1F4",
                "type": "color"
            },
            "200": {
                "value": "#C5E3E8",
                "type": "color"
            },
            "300": {
                "value": "#9CCCD3",
                "type": "color"
            },
            "400": {
                "value": "#75B3BD",
                "type": "color"
            },
            "500": {
                "value": "#5596A0",
                "type": "color"
            },
            "600": {
                "value": "#46757C",
                "type": "color"
            },
            "700": {
                "value": "#365459",
                "type": "color"
            },
            "800": {
                "value": "#26383B",
                "type": "color"
            },
            "900": {
                "value": "#192324",
                "type": "color"
            }
        }
    }
}

Palettes built on #5BB1BE

Color Lab

Pairs with #5BB1BE

UI roles & guardrails

In real applications

Scales

Every model

Export