What color is #ECF74F?

#ECF74F is a light, vivid yellow. In RGB it is rgb(236, 247, 79), and in HSL hsl(64, 91%, 64%).

Is #ECF74F accessible as text?

On white, #ECF74F has a contrast ratio of 1.17:1 (fails WCAG AA for body text); on black it is 17.98:1 (passes). For text placed on #ECF74F, use black for the best readability.

What is the closest Tailwind color to #ECF74F?

The nearest Tailwind CSS token is yellow-300 (#FFDF20).

What colors go well with #ECF74F?

#ECF74F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5B50F7. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #ECF74F below.

Is #ECF74F good for buttons?

#ECF74F works well for buttons and highlights, but use black text on #ECF74F — white text only reaches 1.17:1, below the 4.5:1 needed for normal-size labels.

Is #ECF74F the same as CSS yellow?

No — #ECF74F is not the CSS named color yellow, but yellow (#FFFF00) is the closest CSS named color.

#ECF74F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #ECF74F

Not just a swatch — here's how #ECF74F works with other colors. Named schemes with #ECF74F in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #ECF74F Secondary #B06906 Accent #6C7B49 Surface #F2ECDD Anchor #3A2B1F

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

Modern Café Dominant · 5 colors

Dominant #ECF74F Anchor #392B1F Surface #EEE3D0 Accent #8B9A6A Secondary #3B3833

Lemon Yellow 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.

Coastal Morning Lead · 5 colors

Lead #ECF74F Accent #A9C4B8 Surface #E3D8BE Secondary #9AA09F Anchor #183647

Lemon Yellow 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 #ECF74F Surface #EEE9DC Highlight #F6F1E7 Secondary #B8B09F Ink #2B2723

Lemon Yellow 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #ECF74F Secondary #FAFFCE Support #999186 Ink #17140F

Lemon 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 Lemon Yellow carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #ECF74F 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 73/100

Warm

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

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 6/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 43/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 10/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 71/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 5/100

Very low

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

Surface fit 49/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 65/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #ECF74F

For UI

For branding

For interior

For fashion

People also use #ECF74F with

Peach Fuzz Lawn Green Iris 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 15.9:1. Use

Subtle surface Use #F7F9E1 for cards and hover fills. Tint 80

Avoid beside #B4F750 — 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 #ECF74F 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

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Export

:root {
  --color-base: #ECF74F;
  --color-base-rgb: 236 247 79;
  --color-base-oklch: oklch(93.9% 0.183 113.1);
  --color-50: #FDFEF0;
  --color-100: #FBFDD8;
  --color-200: #F6FBB1;
  --color-300: #EAF27D;
  --color-400: #DAE44E;
  --color-500: #C0CB2A;
  --color-600: #929A28;
  --color-700: #676C23;
  --color-800: #43461B;
  --color-900: #292B12;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lemon-yellow: {
    50: '#FDFEF0',
    100: '#FBFDD8',
    200: '#F6FBB1',
    300: '#EAF27D',
    400: '#DAE44E',
    500: '#C0CB2A',
    600: '#929A28',
    700: '#676C23',
    800: '#43461B',
    900: '#292B12',
  },
}

$base: #ECF74F;
$base-ink: #141310;
$base-50: #FDFEF0;
$base-100: #FBFDD8;
$base-200: #F6FBB1;
$base-300: #EAF27D;
$base-400: #DAE44E;
$base-500: #C0CB2A;
$base-600: #929A28;
$base-700: #676C23;
$base-800: #43461B;
$base-900: #292B12;
$base-hover: #E5F411;
$base-subtle: #F4F7D0;

{
    "color": {
        "base": {
            "value": "#ECF74F",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDFEF0",
                "type": "color"
            },
            "100": {
                "value": "#FBFDD8",
                "type": "color"
            },
            "200": {
                "value": "#F6FBB1",
                "type": "color"
            },
            "300": {
                "value": "#EAF27D",
                "type": "color"
            },
            "400": {
                "value": "#DAE44E",
                "type": "color"
            },
            "500": {
                "value": "#C0CB2A",
                "type": "color"
            },
            "600": {
                "value": "#929A28",
                "type": "color"
            },
            "700": {
                "value": "#676C23",
                "type": "color"
            },
            "800": {
                "value": "#43461B",
                "type": "color"
            },
            "900": {
                "value": "#292B12",
                "type": "color"
            }
        }
    }
}

Palettes built on #ECF74F

Color Lab

Pairs with #ECF74F

UI roles & guardrails

In real applications

Scales

Every model

Export