#121D03#121D03

#121D03 is a very dark, muted yellow-green. Relative luminance 0.010; OKLCH L 21.3% C 0.049 H 128.5°. Best body text is #FFFFFF at 17.46:1 contrast (WCAG AA passes).

Color values

HEX#121D03
RGBrgb(18, 29, 3)
HSLhsl(85, 81%, 6%)
HSVhsv(85, 90%, 11%)
CMYKcmyk(37.9%, 0%, 89.7%, 88.6%)
CIE-LABlab(9.11, -10.36, 12.20)
CIE-LCHlch(9.11, 16.01, 130.34°)
OKLaboklab(21.28% -0.0305 0.0384)
OKLCHoklch(21.28% 0.049 128.5)
XYZxyz(0.7053, 1.0139, 0.2447)
Luminance0.0101 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#121D03 #0E031D
analogous
#1D1B03 #121D03 #051D03
triadic
#121D03 #03121D #1D0312
tetradic
#121D03 #031D1B #0E031D #1D0305
square
#121D03 #031D1B #0E031D #1D0305
split-complementary
#121D03 #03051D #1B031D
monochromatic
#111C03 #111C03 #121D03 #345409 #578C0E

Accessibility & contrast

On white

17.46
#121D03 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.20
#121D03 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D03
17.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##121D03#FFFFFF#000000##FFFFFF
##121D031.0017.461.2017.46
#FFFFFF17.461.0021.001.00
#0000001.2021.001.0021.00
##FFFFFF17.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F1A01
Deuteranopia (green-blind)
#1D1904
Tritanopia (blue-blind)
#131B17
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #121d03;
/* rgb */ color: rgb(18, 29, 3);
/* oklch */ color: oklch(21.3% 0.049 128.5);
Tailwind
colors: {
  custom: {
    50: '#4f5948',
    500: '#121d03',
    950: '#000000',
  },
}
SCSS
$custom: #121d03;
$custom-light: #4f5948;
$custom-dark: #000000;
JSON
{
  "hex": "#121d03",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 3
  },
  "hsl": {
    "h": 85.385,
    "s": 81.25,
    "l": 6.275
  },
  "oklch": {
    "l": 0.21281,
    "c": 0.04906,
    "h": 128.5
  },
  "luminance": 0.01014
}

Semantic roles & 50–950 ramp

primary
#121D03
secondary
#381B61
accent
#30F885
background
#F4F5F4
surface
#E7E9E6
border
#C3C5C2
text
#020300
muted
#787877

Preview Lab

Preview with #121D03

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

Preview Lab → · Contrast checker → · Palette generator →

#121D03 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva