#18290B#18290B

#18290B is a dark, muted yellow-green. Relative luminance 0.018; OKLCH L 25.8% C 0.055 H 133.7°. Best body text is #FFFFFF at 15.43:1 contrast (WCAG AA passes).

Color values

HEX#18290B
RGBrgb(24, 41, 11)
HSLhsl(94, 58%, 10%)
HSVhsv(94, 73%, 16%)
CMYKcmyk(41.5%, 0%, 73.2%, 83.9%)
CIE-LABlab(14.42, -13.75, 16.29)
CIE-LCHlch(14.42, 21.32, 130.17°)
OKLaboklab(25.76% -0.0382 0.0401)
OKLCHoklch(25.76% 0.055 133.7)
XYZxyz(1.2300, 1.8042, 0.6000)
Luminance0.0180 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18290B #1C0B29
analogous
#27290B #18290B #0B290D
triadic
#18290B #0B1829 #290B18
tetradic
#18290B #0B2729 #1C0B29 #290D0B
square
#18290B #0B2729 #1C0B29 #290D0B
split-complementary
#18290B #0D0B29 #290B27
monochromatic
#0E1806 #0E1806 #18290B #345918 #508A25

Accessibility & contrast

On white

15.43
#18290B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.36
#18290B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18290B
15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18290B#FFFFFF#000000##FFFFFF
##18290B1.0015.431.3615.43
#FFFFFF15.431.0021.001.00
#0000001.3621.001.0021.00
##FFFFFF15.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B2508
Deuteranopia (green-blind)
#28240D
Tritanopia (blue-blind)
#182722
Achromatopsia (no color)
#242424

Design tokens & code

CSS
--color: #18290b;
/* rgb */ color: rgb(24, 41, 11);
/* oklch */ color: oklch(25.8% 0.055 133.7);
Tailwind
colors: {
  custom: {
    50: '#56624c',
    500: '#18290b',
    950: '#000000',
  },
}
SCSS
$custom: #18290b;
$custom-light: #56624c;
$custom-dark: #000000;
JSON
{
  "hex": "#18290b",
  "rgb": {
    "r": 24,
    "g": 41,
    "b": 11
  },
  "hsl": {
    "h": 94,
    "s": 57.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.2576,
    "c": 0.05541,
    "h": 133.7
  },
  "luminance": 0.01804
}

Semantic roles & 50–950 ramp

primary
#18290B
secondary
#4C2B65
accent
#47E19E
background
#F5F5F4
surface
#E9EAE7
border
#C5C6C3
text
#030501
muted
#787977

Preview Lab

Preview with #18290B

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

Preview Lab → · Contrast checker → · Palette generator →

#18290B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva