What color is #EFF99C?

#EFF99C is a light, vivid lime green. In RGB it is rgb(239, 249, 156), and in HSL hsl(66, 89%, 79%).

Is #EFF99C accessible as text?

On white, #EFF99C has a contrast ratio of 1.12:1 (fails WCAG AA for body text); on black it is 18.70:1 (passes). For text placed on #EFF99C, use black for the best readability.

What is the closest Tailwind color to #EFF99C?

The nearest Tailwind CSS token is lime-200 (#D8F999).

What colors go well with #EFF99C?

#EFF99C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A39AF9. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #EFF99C below.

Is #EFF99C good for buttons?

#EFF99C works well for buttons and highlights, but use black text on #EFF99C — white text only reaches 1.12:1, below the 4.5:1 needed for normal-size labels.

Is #EFF99C the same as CSS khaki?

No — #EFF99C is not the CSS named color khaki, but khaki (#F0E68C) 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.

#EFF99C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EFF99C

Not just a swatch — here's how #EFF99C works with other colors. Named schemes with #EFF99C in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #EFF99C Secondary #B06906 Accent #6C7B49 Surface #F2ECDD Anchor #3A2B1F

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

Botanical Studio Lead · 5 colors

Lead #EFF99C Secondary #516A37 Accent #B06906 Surface #EFE9D6 Anchor #3D2F21

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

Desert Clay Center · 5 colors

Center #EFF99C Surface #DFD0A8 Secondary #AD7D50 Accent #8F9A71 Anchor #3D2D1F

Buttercream holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Coastal Morning Lead · 5 colors

Lead #EFF99C Accent #A9C4B8 Surface #E3D8BE Secondary #9AA09F Anchor #183647

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #EFF99C Secondary #F9FEDF Support #999186 Ink #17140F

Buttercream 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 Buttercream carrying the quiet middle.

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Color Lab

How #EFF99C 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 65/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 73/100

High

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

Depth 5/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 91/100

Very high

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

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 8/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 45/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 4/100

Very low

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

Surface fit 60/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #EFF99C

For UI

For branding

For interior

For fashion

People also use #EFF99C with

Peach Puff Mint Green Wisteria Platinum Army 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 16.5:1. Use

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

Avoid beside #D0F99A — 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 #EFF99C at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #EFF99C;
  --color-base-rgb: 239 249 156;
  --color-base-oklch: oklch(95.4% 0.116 113.6);
  --color-50: #FDFEF0;
  --color-100: #FAFDD8;
  --color-200: #F3FAB2;
  --color-300: #E6F17E;
  --color-400: #D4E34F;
  --color-500: #B9C92C;
  --color-600: #8D982A;
  --color-700: #646B23;
  --color-800: #42461B;
  --color-900: #282B13;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  buttercream: {
    50: '#FDFEF0',
    100: '#FAFDD8',
    200: '#F3FAB2',
    300: '#E6F17E',
    400: '#D4E34F',
    500: '#B9C92C',
    600: '#8D982A',
    700: '#646B23',
    800: '#42461B',
    900: '#282B13',
  },
}

$base: #EFF99C;
$base-ink: #141310;
$base-50: #FDFEF0;
$base-100: #FAFDD8;
$base-200: #F3FAB2;
$base-300: #E6F17E;
$base-400: #D4E34F;
$base-500: #B9C92C;
$base-600: #8D982A;
$base-700: #646B23;
$base-800: #42461B;
$base-900: #282B13;
$base-hover: #E4F54E;
$base-subtle: #F8FAE4;

{
    "color": {
        "base": {
            "value": "#EFF99C",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDFEF0",
                "type": "color"
            },
            "100": {
                "value": "#FAFDD8",
                "type": "color"
            },
            "200": {
                "value": "#F3FAB2",
                "type": "color"
            },
            "300": {
                "value": "#E6F17E",
                "type": "color"
            },
            "400": {
                "value": "#D4E34F",
                "type": "color"
            },
            "500": {
                "value": "#B9C92C",
                "type": "color"
            },
            "600": {
                "value": "#8D982A",
                "type": "color"
            },
            "700": {
                "value": "#646B23",
                "type": "color"
            },
            "800": {
                "value": "#42461B",
                "type": "color"
            },
            "900": {
                "value": "#282B13",
                "type": "color"
            }
        }
    }
}

Palettes built on #EFF99C

Color Lab

Pairs with #EFF99C

UI roles & guardrails

In real applications

Scales

Every model

Export