#18280B#18280B

#18280B is a dark, muted yellow-green. Relative luminance 0.017; OKLCH L 25.4% C 0.054 H 133.1°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX	#18280B
RGB	rgb(24, 40, 11)
HSL	hsl(93, 57%, 10%)
HSV	hsv(93, 73%, 16%)
CMYK	cmyk(40%, 0%, 72.5%, 84.3%)
CIE-LAB	lab(14.04, -13.17, 15.78)
CIE-LCH	lch(14.04, 20.55, 129.85°)
OKLab	oklab(25.44% -0.0366 0.0391)
OKLCH	oklch(25.44% 0.054 133.1)
XYZ	xyz(1.1959, 1.7359, 0.5886)
Luminance	0.0174 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18280B #1B0B28

analogous

#27280B #18280B #0B280C

triadic

#18280B #0B1828 #280B18

tetradic

#18280B #0B2728 #1B0B28 #280C0B

square

#18280B #0B2728 #1B0B28 #280C0B

split-complementary

#18280B #0C0B28 #280B27

monochromatic

#0E1807 #0E1807 #18280B #355818 #528825

Accessibility & contrast

On white

15.59

#18280B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#18280B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18280B

15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18280B	#FFFFFF	#000000	##FFFFFF
##18280B	1.00	15.59	1.35	15.59
#FFFFFF	15.59	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2408

Deuteranopia (green-blind)

#28230D

Tritanopia (blue-blind)

#182622

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #18280b;
/* rgb */ color: rgb(24, 40, 11);
/* oklch */ color: oklch(25.4% 0.054 133.1);

Tailwind

colors: {
  custom: {
    50: '#56624c',
    500: '#18280b',
    950: '#000000',
  },
}

SCSS

$custom: #18280b;
$custom-light: #56624c;
$custom-dark: #000000;

JSON

{
  "hex": "#18280b",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 11
  },
  "hsl": {
    "h": 93.103,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.25443,
    "c": 0.05361,
    "h": 133.1
  },
  "luminance": 0.01736
}

Semantic roles & 50–950 ramp

primary

#18280B

secondary

#4A2B64

accent

#48E09C

background

#F5F5F4

surface

#E9EAE7

border

#C5C6C3

text

#030501

muted

#787977

Preview Lab

Preview with #18280B

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

Preview Lab → · Contrast checker → · Palette generator →