What color is #EFF78A?

#EFF78A is a light, vivid yellow. In RGB it is rgb(239, 247, 138), and in HSL hsl(64, 87%, 75%).

Is #EFF78A accessible as text?

On white, #EFF78A has a contrast ratio of 1.14:1 (fails WCAG AA for body text); on black it is 18.34:1 (passes). For text placed on #EFF78A, use black for the best readability.

What is the closest Tailwind color to #EFF78A?

The nearest Tailwind CSS token is yellow-200 (#FFF085).

What colors go well with #EFF78A?

#EFF78A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8F88F7. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #EFF78A below.

Is #EFF78A good for buttons?

#EFF78A works well for buttons and highlights, but use black text on #EFF78A — white text only reaches 1.14:1, below the 4.5:1 needed for normal-size labels.

Is #EFF78A the same as CSS khaki?

No — #EFF78A is not the CSS named color khaki, but khaki (#F0E68C) is the closest CSS named color.

#EFF78A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EFF78A

Not just a swatch — here's how #EFF78A works with other colors. Named schemes with #EFF78A in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #EFF78A Secondary #B06907 Accent #6D7B49 Surface #F2ECDD Anchor #3A2B1F

This palette keeps Butter Yellow 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 #EFF78A Secondary #516A37 Accent #B06907 Surface #EFE9D6 Anchor #3D2F21

Butter Yellow 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 #EFF78A Surface #DFD0A8 Secondary #AD7C50 Accent #8F9A71 Anchor #3D2D1F

Butter Yellow 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 #EFF78A Accent #A9C4B8 Surface #E3D8BE Secondary #9AA09F Anchor #183647

Butter Yellow 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 #EFF78A Secondary #FAFEDA Support #999186 Ink #17140F

Butter Yellow 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 Butter Yellow carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #EFF78A 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 68/100

Warm

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

Softness 70/100

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 83/100

Very high

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

Vintage feel 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 9/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 51/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 5/100

Very low

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

Surface fit 55/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #EFF78A

For UI

For branding

For interior

For fashion

People also use #EFF78A with

Apricot Mint Green Cornflower Blue 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 16.2:1. Use

Subtle surface Use #F9FAEA for cards and hover fills. Tint 80

Avoid beside #CAF788 — 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 #EFF78A at work across the surfaces designers actually ship.

Website / UI

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Build faster.

A working theme, generated in seconds.

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: #EFF78A;
  --color-base-rgb: 239 247 138;
  --color-base-oklch: oklch(94.7% 0.133 112.3);
  --color-50: #FDFEF0;
  --color-100: #FBFDD8;
  --color-200: #F5FAB3;
  --color-300: #E8F07F;
  --color-400: #D7E151;
  --color-500: #BDC72E;
  --color-600: #90972B;
  --color-700: #666B24;
  --color-800: #43451C;
  --color-900: #292A13;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  butter-yellow: {
    50: '#FDFEF0',
    100: '#FBFDD8',
    200: '#F5FAB3',
    300: '#E8F07F',
    400: '#D7E151',
    500: '#BDC72E',
    600: '#90972B',
    700: '#666B24',
    800: '#43451C',
    900: '#292A13',
  },
}

$base: #EFF78A;
$base-ink: #141310;
$base-50: #FDFEF0;
$base-100: #FBFDD8;
$base-200: #F5FAB3;
$base-300: #E8F07F;
$base-400: #D7E151;
$base-500: #BDC72E;
$base-600: #90972B;
$base-700: #666B24;
$base-800: #43451C;
$base-900: #292A13;
$base-hover: #E6F240;
$base-subtle: #F7F9DF;

{
    "color": {
        "base": {
            "value": "#EFF78A",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDFEF0",
                "type": "color"
            },
            "100": {
                "value": "#FBFDD8",
                "type": "color"
            },
            "200": {
                "value": "#F5FAB3",
                "type": "color"
            },
            "300": {
                "value": "#E8F07F",
                "type": "color"
            },
            "400": {
                "value": "#D7E151",
                "type": "color"
            },
            "500": {
                "value": "#BDC72E",
                "type": "color"
            },
            "600": {
                "value": "#90972B",
                "type": "color"
            },
            "700": {
                "value": "#666B24",
                "type": "color"
            },
            "800": {
                "value": "#43451C",
                "type": "color"
            },
            "900": {
                "value": "#292A13",
                "type": "color"
            }
        }
    }
}

Palettes built on #EFF78A

Color Lab

Pairs with #EFF78A

UI roles & guardrails

In real applications

Scales

Every model

Export