#121801#121801

#121801 is a very dark, muted yellow-green. Relative luminance 0.008; OKLCH L 19.6% C 0.045 H 121.5°. Best body text is #FFFFFF at 18.15:1 contrast (WCAG AA passes).

Color values

HEX#121801
RGBrgb(18, 24, 1)
HSLhsl(76, 92%, 5%)
HSVhsv(76, 96%, 9%)
CMYKcmyk(25%, 0%, 95.8%, 90.6%)
CIE-LABlab(7.08, -6.70, 10.07)
CIE-LCHlch(7.08, 12.10, 123.64°)
OKLaboklab(19.6% -0.0234 0.0381)
OKLCHoklch(19.6% 0.045 121.5)
XYZxyz(0.5816, 0.7841, 0.1494)
Luminance0.0078 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#121801 #070118
analogous
#181301 #121801 #071801
triadic
#121801 #011218 #180112
tetradic
#121801 #011813 #070118 #180107
square
#121801 #011813 #070118 #180107
split-complementary
#121801 #010718 #130118
monochromatic
#161D01 #161D01 #161D01 #3E5303 #6A8E06

Accessibility & contrast

On white

18.15
#121801 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.16
#121801 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121801
18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##121801#FFFFFF#000000##FFFFFF
##1218011.0018.151.1618.15
#FFFFFF18.151.0021.001.00
#0000001.1621.001.0021.00
##FFFFFF18.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A1600
Deuteranopia (green-blind)
#191602
Tritanopia (blue-blind)
#141613
Achromatopsia (no color)
#161616

Design tokens & code

CSS
--color: #121801;
/* rgb */ color: rgb(18, 24, 1);
/* oklch */ color: oklch(19.6% 0.045 121.5);
Tailwind
colors: {
  custom: {
    50: '#4f5447',
    500: '#121801',
    950: '#000000',
  },
}
SCSS
$custom: #121801;
$custom-light: #4f5447;
$custom-dark: #000000;
JSON
{
  "hex": "#121801",
  "rgb": {
    "r": 18,
    "g": 24,
    "b": 1
  },
  "hsl": {
    "h": 75.652,
    "s": 92,
    "l": 4.902
  },
  "oklch": {
    "l": 0.19599,
    "c": 0.04472,
    "h": 121.5
  },
  "luminance": 0.00784
}

Semantic roles & 50–950 ramp

primary
#121801
secondary
#281560
accent
#29FF61
background
#F4F4F3
surface
#E7E7E5
border
#C3C3C1
text
#020200
muted
#787877

Preview Lab

Preview with #121801

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

Preview Lab → · Contrast checker → · Palette generator →

#121801 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva