Black & Dark Lime, Gray Color Palette

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#272C18 39, 44, 24

#686464 104, 100, 100

#2F3148 47, 49, 72

#0A0A1E 10, 10, 30

#272C18

Color 1

#686464

Color 2

#2F3148

Color 3

#0A0A1E

Color 4

:root {
  --color-1: #272C18;
  --color-2: #686464;
  --color-3: #2F3148;
  --color-4: #0A0A1E;
}

colors: {
  'palette-1': '#272C18',
  'palette-2': '#686464',
  'palette-3': '#2F3148',
  'palette-4': '#0A0A1E',
}

const palette = [
  '#272C18',
  '#686464',
  '#2F3148',
  '#0A0A1E',
];

$color-1: #272C18;
$color-2: #686464;
$color-3: #2F3148;
$color-4: #0A0A1E;

Palette Codes 4 COLORS

This is a cool, calm and understated 4-colour palette built from closely related tones that blend harmoniously.

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Added Jun 2026

About this color palette

This is a cool, calm and understated 4-colour palette built from closely related tones that blend harmoniously. It is anchored by Black (#0A0A1E) and reads as deep and moody, with an average saturation of 26% and lightness of 21%. It works well for calm, professional and modern interfaces.

The colors in this palette

Dark Lime `#272C18`

rgb(39, 44, 24) · hsl(75, 29%, 13%)

A deep, low-lightness tone — strong for text, headings and bold accents.

Gray `#686464`

rgb(104, 100, 100) · hsl(0, 2%, 40%)

A soft, muted tone that suits calm backgrounds and large surfaces.

Dark Blue `#2F3148`

rgb(47, 49, 72) · hsl(235, 21%, 23%)

A deep, low-lightness tone — strong for text, headings and bold accents.

Black `#0A0A1E`

rgb(10, 10, 30) · hsl(240, 50%, 8%)

A deep, low-lightness tone — strong for text, headings and bold accents.

Accessibility & contrast

Colour contrast decides whether text stays readable. Here is how each pair of colours in this palette performs when one is used as text on the other, measured against the WCAG standard (AA needs 4.5:1, AAA needs 7:1).

Text	Background	Ratio	AA	AAA
#686464	#0A0A1E	3.34:1	Fail	Fail
#272C18	#686464	2.46:1	Fail	Fail
#686464	#2F3148	2.17:1	Fail	Fail
#2F3148	#0A0A1E	1.54:1	Fail	Fail
#272C18	#0A0A1E	1.36:1	Fail	Fail
#272C18	#2F3148	1.13:1	Fail	Fail

How to use these colors

Background — Gray (#686464): the lightest tone — a clean base for large areas
Text — Black (#0A0A1E): the darkest tone — readable for body copy and headings
Primary — Black (#0A0A1E): the most saturated tone — buttons, links and key UI
Accent — Dark Lime (#272C18): a secondary highlight for badges and details

Colors that pair with this palette

Want to extend this palette? These colours pair naturally with its dominant Black tone, based on colour-wheel harmony. Tap a swatch to explore that colour family.

#919130 · Yellow #613091 · Purple #306191 · Blue #913030 · Red

Frequently asked questions

What colours are in this palette?

This palette has 4 colours: Dark Lime (#272C18), Gray (#686464), Dark Blue (#2F3148) and Black (#0A0A1E).

Is this a warm or cool colour palette?

It is a cool palette — its tones lean toward blues, greens and purples, which feel calm and modern.

What are the hex codes for this palette?

The hex codes are #272C18, #686464, #2F3148 and #0A0A1E. You can copy them as CSS variables, Tailwind, SCSS or JSON from the code panel above.

Is this palette accessible for text?

The colours are fairly close in contrast, so pair them carefully for text — put a very light or very dark colour behind body text, and check the contrast table above.