What color is #90CE99?

#90CE99 is a light, soft green. In RGB it is rgb(144, 206, 153), and in HSL hsl(129, 39%, 69%).

Is #90CE99 accessible as text?

On white, #90CE99 has a contrast ratio of 1.83:1 (fails WCAG AA for body text); on black it is 11.47:1 (passes). For text placed on #90CE99, use black for the best readability.

What is the closest Tailwind color to #90CE99?

The nearest Tailwind CSS token is emerald-300 (#5EE9B5).

What colors go well with #90CE99?

#90CE99 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CF91C6. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #90CE99 below.

Is #90CE99 good for buttons?

#90CE99 works well for buttons and highlights, but use black text on #90CE99 — white text only reaches 1.83:1, below the 4.5:1 needed for normal-size labels.

Is #90CE99 the same as CSS mediumaquamarine?

No — #90CE99 is not the CSS named color mediumaquamarine, but mediumaquamarine (#66CDAA) is the closest CSS named color.

#90CE99 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #90CE99

Not just a swatch — here's how #90CE99 works with other colors. Named schemes with #90CE99 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #90CE99 Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

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

Coastal Morning Lead · 5 colors

Lead #90CE99 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #1A3648

Medium Aquamarine 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 #90CE99 Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Medium Aquamarine 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.

Warm Autumn Interior Dominant · 5 colors

Dominant #90CE99 Secondary #AD6C00 Accent #687C4C Surface #F2EDDD Anchor #392B1E

This palette keeps Medium Aquamarine as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #90CE99 Secondary #DBF0DD Support #989286 Ink #17140F

Medium Aquamarine 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 Medium Aquamarine carrying the quiet middle.

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Color Lab

How #90CE99 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 46/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 65/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 20/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 100/100

Very high

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 28/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 28/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #90CE99

For UI

For branding

For interior

For fashion

People also use #90CE99 with

Celadon Medium Aquamarine Wisteria Platinum Hunter Green

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 10.2:1. Use

Subtle surface Use #EBF4EC for cards and hover fills. Tint 80

Avoid beside #91CFAF — 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 #90CE99 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: #90CE99;
  --color-base-rgb: 144 206 153;
  --color-base-oklch: oklch(79.5% 0.098 148.3);
  --color-50: #F4FBF5;
  --color-100: #E2F3E5;
  --color-200: #C6E6CB;
  --color-300: #9ED1A6;
  --color-400: #79B982;
  --color-500: #589D62;
  --color-600: #497950;
  --color-700: #38573C;
  --color-800: #273A2A;
  --color-900: #19241B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-aquamarine: {
    50: '#F4FBF5',
    100: '#E2F3E5',
    200: '#C6E6CB',
    300: '#9ED1A6',
    400: '#79B982',
    500: '#589D62',
    600: '#497950',
    700: '#38573C',
    800: '#273A2A',
    900: '#19241B',
  },
}

$base: #90CE99;
$base-ink: #141310;
$base-50: #F4FBF5;
$base-100: #E2F3E5;
$base-200: #C6E6CB;
$base-300: #9ED1A6;
$base-400: #79B982;
$base-500: #589D62;
$base-600: #497950;
$base-700: #38573C;
$base-800: #273A2A;
$base-900: #19241B;
$base-hover: #60B96E;
$base-subtle: #E0EEE2;

{
    "color": {
        "base": {
            "value": "#90CE99",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBF5",
                "type": "color"
            },
            "100": {
                "value": "#E2F3E5",
                "type": "color"
            },
            "200": {
                "value": "#C6E6CB",
                "type": "color"
            },
            "300": {
                "value": "#9ED1A6",
                "type": "color"
            },
            "400": {
                "value": "#79B982",
                "type": "color"
            },
            "500": {
                "value": "#589D62",
                "type": "color"
            },
            "600": {
                "value": "#497950",
                "type": "color"
            },
            "700": {
                "value": "#38573C",
                "type": "color"
            },
            "800": {
                "value": "#273A2A",
                "type": "color"
            },
            "900": {
                "value": "#19241B",
                "type": "color"
            }
        }
    }
}