#18281A#18281A

#18281A is a dark, muted green. Relative luminance 0.018; OKLCH L 25.8% C 0.034 H 147.7°. Best body text is #FFFFFF at 15.47:1 contrast (WCAG AA passes).

Color values

HEX	#18281A
RGB	rgb(24, 40, 26)
HSL	hsl(128, 25%, 13%)
HSV	hsv(128, 40%, 16%)
CMYK	cmyk(40%, 0%, 35%, 84.3%)
CIE-LAB	lab(14.32, -10.46, 7.14)
CIE-LCH	lch(14.32, 12.66, 145.70°)
OKLab	oklab(25.77% -0.0286 0.0181)
OKLCH	oklch(25.77% 0.034 147.7)
XYZ	xyz(1.3219, 1.7863, 1.2522)
Luminance	0.0179 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18281A #281826

analogous

#1E2818 #18281A #182822

triadic

#18281A #1A1828 #281A18

tetradic

#18281A #181E28 #281826 #282218

square

#18281A #181E28 #281826 #282218

split-complementary

#18281A #221828 #28181E

monochromatic

#0B130C #0B130C #18281A #2F4E33 #46744C

Accessibility & contrast

On white

15.47

#18281A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#18281A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18281A

15.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18281A	#FFFFFF	#000000	##FFFFFF
##18281A	1.00	15.47	1.36	15.47
#FFFFFF	15.47	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282519

Deuteranopia (green-blind)

#26241B

Tritanopia (blue-blind)

#162724

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #18281a;
/* rgb */ color: rgb(24, 40, 26);
/* oklch */ color: oklch(25.8% 0.034 147.7);

Tailwind

colors: {
  custom: {
    50: '#556256',
    500: '#18281a',
    950: '#000000',
  },
}

SCSS

$custom: #18281a;
$custom-light: #556256;
$custom-dark: #000000;

JSON

{
  "hex": "#18281a",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 26
  },
  "hsl": {
    "h": 127.5,
    "s": 25,
    "l": 12.549
  },
  "oklch": {
    "l": 0.25771,
    "c": 0.03385,
    "h": 147.7
  },
  "luminance": 0.01786
}

Semantic roles & 50–950 ramp

primary

#18281A

secondary

#5C4058

accent

#66B6C1

background

#F4F5F5

surface

#E8EAE9

border

#C4C6C5

text

#030503

muted

#787978

Preview Lab

Preview with #18281A

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

Preview Lab → · Contrast checker → · Palette generator →