#18280A#18280A

#18280A is a dark, muted yellow-green. Relative luminance 0.017; OKLCH L 25.4% C 0.055 H 132.7°. Best body text is #FFFFFF at 15.59:1 contrast (WCAG AA passes).

Color values

HEX#18280A
RGBrgb(24, 40, 10)
HSLhsl(92, 60%, 10%)
HSVhsv(92, 75%, 16%)
CMYKcmyk(40%, 0%, 75%, 84.3%)
CIE-LABlab(14.02, -13.30, 16.18)
CIE-LCHlch(14.02, 20.94, 129.41°)
OKLaboklab(25.43% -0.0371 0.0402)
OKLCHoklch(25.43% 0.055 132.7)
XYZxyz(1.1902, 1.7336, 0.5590)
Luminance0.0173 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18280A #1A0A28
analogous
#27280A #18280A #0A280B
triadic
#18280A #0A1828 #280A18
tetradic
#18280A #0A2728 #1A0A28 #280B0A
square
#18280A #0A2728 #1A0A28 #280B0A
split-complementary
#18280A #0B0A28 #280A27
monochromatic
#0F1806 #0F1806 #18280A #355916 #538A22

Accessibility & contrast

On white

15.59
#18280A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.35
#18280A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18280A
15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18280A#FFFFFF#000000##FFFFFF
##18280A1.0015.591.3515.59
#FFFFFF15.591.0021.001.00
#0000001.3521.001.0021.00
##FFFFFF15.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2A2407
Deuteranopia (green-blind)
#28230C
Tritanopia (blue-blind)
#182622
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #18280a;
/* rgb */ color: rgb(24, 40, 10);
/* oklch */ color: oklch(25.4% 0.055 132.7);
Tailwind
colors: {
  custom: {
    50: '#56624b',
    500: '#18280a',
    950: '#000000',
  },
}
SCSS
$custom: #18280a;
$custom-light: #56624b;
$custom-dark: #000000;
JSON
{
  "hex": "#18280a",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 10
  },
  "hsl": {
    "h": 92,
    "s": 60,
    "l": 9.804
  },
  "oklch": {
    "l": 0.25429,
    "c": 0.05473,
    "h": 132.7
  },
  "luminance": 0.01734
}

Semantic roles & 50–950 ramp

primary
#18280A
secondary
#492965
accent
#45E399
background
#F5F5F4
surface
#E9EAE7
border
#C5C6C3
text
#030501
muted
#787977

Preview Lab

Preview with #18280A

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

Preview Lab → · Contrast checker → · Palette generator →

#18280A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva