What color is #91C121?

#91C121 is a medium, vivid lime green. In RGB it is rgb(145, 193, 33), and in HSL hsl(78, 71%, 44%).

Is #91C121 accessible as text?

On white, #91C121 has a contrast ratio of 2.13:1 (fails WCAG AA for body text); on black it is 9.85:1 (passes). For text placed on #91C121, use black for the best readability.

What is the closest Tailwind color to #91C121?

The nearest Tailwind CSS token is lime-500 (#7CCF00).

What colors go well with #91C121?

#91C121 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5021C0. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #91C121 below.

Is #91C121 good for buttons?

#91C121 works well for buttons and highlights, but use black text on #91C121 — white text only reaches 2.13:1, below the 4.5:1 needed for normal-size labels.

Is #91C121 the same as CSS yellowgreen?

No — #91C121 is not the CSS named color yellowgreen, but yellowgreen (#9ACD32) is the closest CSS named color.

#91C121 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #91C121

Not just a swatch — here's how #91C121 works with other colors. Named schemes with #91C121 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #91C121 Secondary #AF6A00 Accent #6B7B4A Surface #F2ECDD Anchor #3A2B1E

This palette keeps Peridot 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 #91C121 Secondary #4F6B39 Accent #AF6A00 Surface #EFE9D6 Anchor #3D2F21

Peridot 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 #91C121 Surface #DED0A8 Secondary #AC7D4F Accent #8E9A72 Anchor #3D2D1E

Peridot 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 #91C121 Accent #A9C4B9 Surface #E2D9BE Secondary #9AA09F Anchor #183648

Peridot 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 #91C121 Secondary #D0E3B6 Support #999286 Ink #17140F

Peridot 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 Peridot carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #91C121 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 62/100

Warm

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

Softness 49/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 26/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 55/100

Moderate

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 30/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 70/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 40/100

Moderate

Workable accent with care around contrast.

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 61/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #91C121

For UI

For branding

For interior

For fashion

People also use #91C121 with

Mustard Yellow Kelly Green Grape 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 8.7:1. Use

Subtle surface Use #E8F1D4 for cards and hover fills. Tint 80

Avoid beside #5BC021 — 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 #91C121 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: #91C121;
  --color-base-rgb: 145 193 33;
  --color-base-oklch: oklch(75.0% 0.182 126.1);
  --color-50: #FAFDF1;
  --color-100: #F1FADB;
  --color-200: #E2F3B9;
  --color-300: #CAE58A;
  --color-400: #B1D45E;
  --color-500: #93B93C;
  --color-600: #738D35;
  --color-700: #53642B;
  --color-800: #37421F;
  --color-900: #222815;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  peridot: {
    50: '#FAFDF1',
    100: '#F1FADB',
    200: '#E2F3B9',
    300: '#CAE58A',
    400: '#B1D45E',
    500: '#93B93C',
    600: '#738D35',
    700: '#53642B',
    800: '#37421F',
    900: '#222815',
  },
}

$base: #91C121;
$base-ink: #141310;
$base-50: #FAFDF1;
$base-100: #F1FADB;
$base-200: #E2F3B9;
$base-300: #CAE58A;
$base-400: #B1D45E;
$base-500: #93B93C;
$base-600: #738D35;
$base-700: #53642B;
$base-800: #37421F;
$base-900: #222815;
$base-hover: #73991A;
$base-subtle: #DDEBBD;

{
    "color": {
        "base": {
            "value": "#91C121",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAFDF1",
                "type": "color"
            },
            "100": {
                "value": "#F1FADB",
                "type": "color"
            },
            "200": {
                "value": "#E2F3B9",
                "type": "color"
            },
            "300": {
                "value": "#CAE58A",
                "type": "color"
            },
            "400": {
                "value": "#B1D45E",
                "type": "color"
            },
            "500": {
                "value": "#93B93C",
                "type": "color"
            },
            "600": {
                "value": "#738D35",
                "type": "color"
            },
            "700": {
                "value": "#53642B",
                "type": "color"
            },
            "800": {
                "value": "#37421F",
                "type": "color"
            },
            "900": {
                "value": "#222815",
                "type": "color"
            }
        }
    }
}

Palettes built on #91C121

Color Lab

Pairs with #91C121

UI roles & guardrails

In real applications

Scales

Every model

Export