#18240B#18240B

#18240B is a very dark, muted yellow-green. Relative luminance 0.015; OKLCH L 24.2% C 0.046 H 130.5°. Best body text is #FFFFFF at 16.20:1 contrast (WCAG AA passes).

Color values

HEX	#18240B
RGB	rgb(24, 36, 11)
HSL	hsl(89, 53%, 9%)
HSV	hsv(89, 69%, 14%)
CMYK	cmyk(33.3%, 0%, 69.4%, 85.9%)
CIE-LAB	lab(12.48, -10.77, 13.71)
CIE-LCH	lch(12.48, 17.44, 128.16°)
OKLab	oklab(24.18% -0.03 0.0352)
OKLCH	oklch(24.18% 0.046 130.5)
XYZ	xyz(1.0680, 1.4801, 0.5460)
Luminance	0.0148 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18240B #170B24

analogous

#24240B #18240B #0C240B

triadic

#18240B #0B1824 #240B18

tetradic

#18240B #0B2424 #170B24 #240B0C

square

#18240B #0B2424 #170B24 #240B0C

split-complementary

#18240B #0B0C24 #240B24

monochromatic

#101707 #101707 #18240B #375319 #578228

Accessibility & contrast

On white

16.20

#18240B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#18240B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18240B

16.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18240B	#FFFFFF	#000000	##FFFFFF
##18240B	1.00	16.20	1.30	16.20
#FFFFFF	16.20	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262109

Deuteranopia (green-blind)

#24200D

Tritanopia (blue-blind)

#19221E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #18240b;
/* rgb */ color: rgb(24, 36, 11);
/* oklch */ color: oklch(24.2% 0.046 130.5);

Tailwind

colors: {
  custom: {
    50: '#555e4b',
    500: '#18240b',
    950: '#000000',
  },
}

SCSS

$custom: #18240b;
$custom-light: #555e4b;
$custom-dark: #000000;

JSON

{
  "hex": "#18240b",
  "rgb": {
    "r": 24,
    "g": 36,
    "b": 11
  },
  "hsl": {
    "h": 88.8,
    "s": 53.191,
    "l": 9.216
  },
  "oklch": {
    "l": 0.24182,
    "c": 0.04628,
    "h": 130.5
  },
  "luminance": 0.0148
}

Semantic roles & 50–950 ramp

primary

#18240B

secondary

#442C5F

accent

#4BDD91

background

#F4F5F4

surface

#E8E9E7

border

#C4C5C3

text

#030401

muted

#787977

Preview Lab

Preview with #18240B

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

Preview Lab → · Contrast checker → · Palette generator →