Colorise ProOKLCH Engine
ExploreStudioNamesPickerPairs
ExploreStudioNamesPickerPairsContrastExtract
Menu

Product

  • Home
  • Explore
  • Studio
  • Color Names

Tools

  • Picker
  • Color Pairs
  • Contrast
  • Image Extract
  • Gradient Lab
  • Palette Diff
  • Brand from URL

Guides

  • All guides
  • OKLCH vs HSL
  • WCAG vs APCA
  • OKLCH color scales
  • Gamut & sRGB
  • Extract from images
  • HEX to OKLCH
  • Dark mode colors
  • Color meanings
Home/Colors/#182418

Nearest named color · #182418

#182418

Nearest named color: Nightmare

#182418 (rgb(24 36 24), hsl(120 20% 12%), oklch(0.245 0.028 144.7)) is closest to the named color Nightmare. See tints, shades, harmonies, WCAG & APCA contrast, and CSS, Tailwind v4 & SCSS code.

What does Gray mean? →

#182418

oklch(0.245 0.028 144.7)

Color conversions

HEX
#182418
RGB
rgb(24 36 24)
HSL
hsl(120 20% 12%)
HWB
hwb(120 9% 86%)
OKLCH
oklch(0.245 0.028 144.7)
OKLab
oklab(0.245 -0.023 0.016)
CIE Lab
lab(12.76 -7.81 6.3)
LCH
lch(12.76 10.03 141.1)
CMYK
cmyk(33% 0% 33% 86%)

Tints · Shades · Tones

Tints

  • 2B362B
  • 3F4A3F
  • 555E54
  • 6B736B
  • 828982
  • 9AA099
  • B2B7B2
  • CBCECB
  • E5E6E5

Shades

  • 131E13
  • 0F180F
  • 0A120A
  • 070C07
  • 040704
  • 020402
  • 010201
  • 000000
  • 000000

Tones

  • 212C21
  • 2B352B
  • 353E35
  • 3F473F
  • 495049
  • 545954
  • 5F635E
  • 696C69
  • 757675

Color harmonies

Complementary +180°

  • 182418

    Nightmare

  • 271C28

    ≈ To Hell and Black

Analogous -30° +30°

  • 182418

    Nightmare

  • 202212

    ≈ Black Mesa

  • 11251F

    ≈ Deep Slate Green

Triadic +120° +240°

  • 182418

    Nightmare

  • 1A202E

    ≈ Hēi Sè Black

  • 2D1B1A

    ≈ Tetsu-Guro Black

Split-complementary +150° +210°

  • 182418

    Nightmare

  • 211E2D

    ≈ Black Howl

  • 2B1B21

    ≈ Black Cherry

Tetradic +90° +180° +270°

  • 182418

    Nightmare

  • 12232C

    ≈ Crow Feather

  • 271C28

    ≈ To Hell and Black

  • 2B1D13

    ≈ Brunneophobia

Contrast & accessibility

Ag

On white

WCAG 16.09:1 · APCA Lc 103

AAA
Ag

On black

WCAG 1.30:1 · APCA Lc 0

Fail

Best text color: #FFFFFF

WCAG 16.09:1 (AAA) · APCA Lc 103

Contrast pairs

  • #182418 / #FFFFFF
  • #182418 / #000000
  • #FFFFFF / #182418
  • #000000 / #182418

Code snippets

CSS

:root {
  --nightmare: #182418;
  --nightmare-rgb: 24 36 24;
  --nightmare-oklch: oklch(0.245 0.028 144.7);
}

.element {
  color: var(--nightmare);
  background-color: hsl(120 20% 12%);
  border-color: oklch(0.245 0.028 144.7);
}

Tailwind CSS v4

@theme {
  --color-nightmare: #182418;
  --color-nightmare-50: #f0f7f0;
  --color-nightmare-100: #e2ebe2;
  --color-nightmare-200: #cdd8cd;
  --color-nightmare-300: #afbcaf;
  --color-nightmare-400: #95a394;
  --color-nightmare-500: #7b8b7b;
  --color-nightmare-600: #687668;
  --color-nightmare-700: #535e53;
  --color-nightmare-800: #3d453c;
  --color-nightmare-900: #2a3029;
  --color-nightmare-950: #171c17;
}

SCSS

$nightmare: #182418;
$nightmare-rgb: 24, 36, 24;
$nightmare-light: mix(#fff, $nightmare, 20%);
$nightmare-dark: mix(#000, $nightmare, 20%);

.element {
  color: $nightmare;
  box-shadow: 0 0 0 2px rgba($nightmare, 0.35);
}

Similar named colors

  • 1E231C

    Underworld

  • 0F261F

    Deep Slate Green

  • 12221D

    Black Emerald

  • 172713

    Deep Slate Olive

  • 1A2421

    Shadow Warrior

  • 112211

    Nightmare

  • 222211

    Black Mesa

  • 17240B

    Midnight Pines

  • 21211D

    Petroleum

  • 162825

    Swamp Thing

  • 112222

    Black Feather

  • 1B2B1B

    Kuro Green

Palettes with this color

  • Classic Lumberjack LatticeOrange · Warm

Palettes with similar colors

  • Steady Money MirrorGreen · Gray
  • Steady Mistletoe AtelierTrending · Green
  • True Grand Canyon NexusOrange · Warm
  • Steady Lush Paradise NoirTrending · Green
  • Classic Toad GlacierGreen · Gray
  • Pure Leafy HarborGreen · 5 Colors

Open in tools

PickerPairsContrast checkerStudioJSON API
Colorise Pro

Free OKLCH color workspace: precision color picker, color pairs, WCAG & APCA contrast checker, palette from image, Studio systems, names, gradients, and brand tools. Export HEX, CSS, Tailwind & DTCG.

OKLCH Engine

Product

  • Home
  • Explore
  • Studio
  • Color Names
  • Color Codes

Tools

  • Color Picker
  • Color Pairs
  • Contrast Checker
  • Image Extract
  • Gradient Lab
  • Palette Diff
  • Brand from URL
  • For presentations
  • For business cards
  • For SaaS landings
  • Duo pairs
  • Trio systems

Guides

  • All guides
  • OKLCH vs HSL
  • WCAG vs APCA
  • OKLCH color scales
  • Gamut & sRGB
  • Extract from images
  • HEX to OKLCH
  • Dark mode colors
  • Color meanings

Legal

  • Privacy
  • Terms

© 2026 Colorise Pro. All rights reserved.

© 2026 Colorise Pro. Built for precision color work.

Report infringement: [email protected] (Colorise Pro)

PrivacyTermsOKLCH · WCAG · APCA