#18281E#18281E

#18281E is a dark, muted green. Relative luminance 0.018; OKLCH L 25.9% C 0.029 H 156.3°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#18281E
RGB	rgb(24, 40, 30)
HSL	hsl(143, 25%, 13%)
HSV	hsv(143, 40%, 16%)
CMYK	cmyk(40%, 0%, 25%, 84.3%)
CIE-LAB	lab(14.43, -9.49, 4.48)
CIE-LCH	lch(14.43, 10.50, 154.76°)
OKLab	oklab(25.89% -0.0263 0.0115)
OKLCH	oklch(25.89% 0.029 156.3)
XYZ	xyz(1.3697, 1.8054, 1.5044)
Luminance	0.0181 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18281E #281822

analogous

#1A2818 #18281E #182826

triadic

#18281E #1E1828 #281E18

tetradic

#18281E #181A28 #281822 #282618

square

#18281E #181A28 #281822 #282618

split-complementary

#18281E #261828 #28181A

monochromatic

#0B130E #0B130E #18281E #2F4E3B #467457

Accessibility & contrast

On white

15.43

#18281E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#18281E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18281E

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18281E	#FFFFFF	#000000	##FFFFFF
##18281E	1.00	15.43	1.36	15.43
#FFFFFF	15.43	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28261D

Deuteranopia (green-blind)

#25241F

Tritanopia (blue-blind)

#152825

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #18281e;
/* rgb */ color: rgb(24, 40, 30);
/* oklch */ color: oklch(25.9% 0.029 156.3);

Tailwind

colors: {
  custom: {
    50: '#556259',
    500: '#18281e',
    950: '#000000',
  },
}

SCSS

$custom: #18281e;
$custom-light: #556259;
$custom-dark: #000000;

JSON

{
  "hex": "#18281e",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 30
  },
  "hsl": {
    "h": 142.5,
    "s": 25,
    "l": 12.549
  },
  "oklch": {
    "l": 0.25893,
    "c": 0.02869,
    "h": 156.3
  },
  "luminance": 0.01806
}

Semantic roles & 50–950 ramp

primary

#18281E

secondary

#5C4051

accent

#669FC1

background

#F4F5F5

surface

#E8EAE9

border

#C4C6C5

text

#030503

muted

#787978

Preview Lab

Preview with #18281E

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

Preview Lab → · Contrast checker → · Palette generator →