#18331B#18331B

#18331B is a dark, muted green. Relative luminance 0.026; OKLCH L 29.2% C 0.054 H 146.5°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#18331B
RGB	rgb(24, 51, 27)
HSL	hsl(127, 36%, 15%)
HSV	hsv(127, 53%, 20%)
CMYK	cmyk(52.9%, 0%, 47.1%, 80%)
CIE-LAB	lab(18.54, -16.66, 12.11)
CIE-LCH	lch(18.54, 20.60, 143.99°)
OKLab	oklab(29.2% -0.0453 0.03)
OKLCH	oklch(29.2% 0.054 146.5)
XYZ	xyz(1.7582, 2.6409, 1.4538)
Luminance	0.0264 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 8.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18331B #331830

analogous

#233318 #18331B #183329

triadic

#18331B #1B1833 #331B18

tetradic

#18331B #182333 #331830 #332918

square

#18331B #182333 #331830 #332918

split-complementary

#18331B #291833 #331823

monochromatic

#0A150B #0A150B #18331B #2C5D31 #3F8647

Accessibility & contrast

On white

13.74

#18331B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#18331B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18331B

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18331B	#FFFFFF	#000000	##FFFFFF
##18331B	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F19

Deuteranopia (green-blind)

#302C1C

Tritanopia (blue-blind)

#14322D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18331b;
/* rgb */ color: rgb(24, 51, 27);
/* oklch */ color: oklch(29.2% 0.054 146.5);

Tailwind

colors: {
  custom: {
    50: '#576b57',
    500: '#18331b',
    950: '#000000',
  },
}

SCSS

$custom: #18331b;
$custom-light: #576b57;
$custom-dark: #000000;

JSON

{
  "hex": "#18331b",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 27
  },
  "hsl": {
    "h": 126.667,
    "s": 36,
    "l": 14.706
  },
  "oklch": {
    "l": 0.29204,
    "c": 0.05434,
    "h": 146.5
  },
  "luminance": 0.02641
}

Semantic roles & 50–950 ramp

primary

#18331B

secondary

#683E64

accent

#5CC0CC

background

#F5F6F5

surface

#E9EBE9

border

#C5C6C5

text

#030603

muted

#787A78

Preview Lab

Preview with #18331B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →