#18230B#18230B

#18230B is a very dark, muted yellow-green. Relative luminance 0.014; OKLCH L 23.9% C 0.044 H 129.6°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX#18230B
RGBrgb(24, 35, 11)
HSLhsl(88, 52%, 9%)
HSVhsv(88, 69%, 14%)
CMYKcmyk(31.4%, 0%, 68.6%, 86.3%)
CIE-LABlab(12.09, -10.15, 13.18)
CIE-LCHlch(12.09, 16.64, 127.61°)
OKLaboklab(23.87% -0.0283 0.0342)
OKLCHoklch(23.87% 0.044 129.6)
XYZxyz(1.0381, 1.4204, 0.5360)
Luminance0.0142 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18230B #160B23
analogous
#23220B #18230B #0C230B
triadic
#18230B #0B1823 #230B18
tetradic
#18230B #0B2322 #160B23 #230B0C
square
#18230B #0B2322 #160B23 #230B0C
split-complementary
#18230B #0B0C23 #220B23
monochromatic
#101707 #101707 #18230B #38521A #588028

Accessibility & contrast

On white

16.36
#18230B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.28
#18230B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18230B
16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18230B#FFFFFF#000000##FFFFFF
##18230B1.0016.361.2816.36
#FFFFFF16.361.0021.001.00
#0000001.2821.001.0021.00
##FFFFFF16.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#252009
Deuteranopia (green-blind)
#231F0D
Tritanopia (blue-blind)
#19211E
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #18230b;
/* rgb */ color: rgb(24, 35, 11);
/* oklch */ color: oklch(23.9% 0.044 129.6);
Tailwind
colors: {
  custom: {
    50: '#555d4b',
    500: '#18230b',
    950: '#000000',
  },
}
SCSS
$custom: #18230b;
$custom-light: #555d4b;
$custom-dark: #000000;
JSON
{
  "hex": "#18230b",
  "rgb": {
    "r": 24,
    "g": 35,
    "b": 11
  },
  "hsl": {
    "h": 87.5,
    "s": 52.174,
    "l": 9.02
  },
  "oklch": {
    "l": 0.23868,
    "c": 0.04441,
    "h": 129.6
  },
  "luminance": 0.0142
}

Semantic roles & 50–950 ramp

primary
#18230B
secondary
#432C5E
accent
#4CDC8E
background
#F4F5F4
surface
#E8E9E7
border
#C4C5C3
text
#030401
muted
#787977

Preview Lab

Preview with #18230B

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

Preview Lab → · Contrast checker → · Palette generator →

#18230B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva