What color is #ECFA52?

#ECFA52 is a light, vivid yellow. In RGB it is rgb(236, 250, 82), and in HSL hsl(65, 94%, 65%).

Is #ECFA52 accessible as text?

On white, #ECFA52 has a contrast ratio of 1.14:1 (fails WCAG AA for body text); on black it is 18.36:1 (passes). For text placed on #ECFA52, use black for the best readability.

What is the closest Tailwind color to #ECFA52?

The nearest Tailwind CSS token is lime-300 (#BBF451).

What colors go well with #ECFA52?

#ECFA52 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6052FA. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #ECFA52 below.

Is #ECFA52 good for buttons?

#ECFA52 works well for buttons and highlights, but use black text on #ECFA52 — white text only reaches 1.14:1, below the 4.5:1 needed for normal-size labels.

Is #ECFA52 the same as CSS yellow?

No — #ECFA52 is not the CSS named color yellow, but yellow (#FFFF00) is the closest CSS named color.

#ECFA52 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #ECFA52

Not just a swatch — here's how #ECFA52 works with other colors. Named schemes with #ECFA52 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #ECFA52 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 #ECFA52 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 #ECFA52 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 #ECFA52 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 #ECFA52 Secondary #F9FFCE 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.

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Color Lab

How #ECFA52 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 72/100

Warm

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

Softness 60/100

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 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 9/100

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 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 64/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #ECFA52

For UI

For branding

For interior

For fashion

People also use #ECFA52 with

Topaz Green Yellow Medium Slate 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 #F7F9E1 for cards and hover fills. Tint 80

Avoid beside #B4FA52 — 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 #ECFA52 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: #ECFA52;
  --color-base-rgb: 236 250 82;
  --color-base-oklch: oklch(94.5% 0.184 114.0);
  --color-50: #FDFEF0;
  --color-100: #FAFDD8;
  --color-200: #F5FCB1;
  --color-300: #EAF47B;
  --color-400: #DAE74B;
  --color-500: #BFCD28;
  --color-600: #929B26;
  --color-700: #676D21;
  --color-800: #43471A;
  --color-900: #292B12;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lemon-yellow: {
    50: '#FDFEF0',
    100: '#FAFDD8',
    200: '#F5FCB1',
    300: '#EAF47B',
    400: '#DAE74B',
    500: '#BFCD28',
    600: '#929B26',
    700: '#676D21',
    800: '#43471A',
    900: '#292B12',
  },
}

$base: #ECFA52;
$base-ink: #141310;
$base-50: #FDFEF0;
$base-100: #FAFDD8;
$base-200: #F5FCB1;
$base-300: #EAF47B;
$base-400: #DAE74B;
$base-500: #BFCD28;
$base-600: #929B26;
$base-700: #676D21;
$base-800: #43471A;
$base-900: #292B12;
$base-hover: #E4F812;
$base-subtle: #F4F7D1;

{
    "color": {
        "base": {
            "value": "#ECFA52",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDFEF0",
                "type": "color"
            },
            "100": {
                "value": "#FAFDD8",
                "type": "color"
            },
            "200": {
                "value": "#F5FCB1",
                "type": "color"
            },
            "300": {
                "value": "#EAF47B",
                "type": "color"
            },
            "400": {
                "value": "#DAE74B",
                "type": "color"
            },
            "500": {
                "value": "#BFCD28",
                "type": "color"
            },
            "600": {
                "value": "#929B26",
                "type": "color"
            },
            "700": {
                "value": "#676D21",
                "type": "color"
            },
            "800": {
                "value": "#43471A",
                "type": "color"
            },
            "900": {
                "value": "#292B12",
                "type": "color"
            }
        }
    }
}

Palettes built on #ECFA52

Color Lab

Pairs with #ECFA52

UI roles & guardrails

In real applications

Scales

Every model

Export