#121F01#121F01

#121F01 is a very dark, muted yellow-green. Relative luminance 0.011; OKLCH L 21.9% C 0.056 H 129.1°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX#121F01
RGBrgb(18, 31, 1)
HSLhsl(86, 94%, 6%)
HSVhsv(86, 97%, 12%)
CMYKcmyk(41.9%, 0%, 96.8%, 87.8%)
CIE-LABlab(9.88, -12.08, 14.12)
CIE-LCHlch(9.88, 18.58, 130.54°)
OKLaboklab(21.9% -0.0352 0.0434)
OKLCHoklch(21.9% 0.056 129.1)
XYZxyz(0.7449, 1.1107, 0.2039)
Luminance0.0111 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#121F01 #0E011F
analogous
#1F1D01 #121F01 #031F01
triadic
#121F01 #01121F #1F0112
tetradic
#121F01 #011F1D #0E011F #1F0103
square
#121F01 #011F1D #0E011F #1F0103
split-complementary
#121F01 #01031F #1D011F
monochromatic
#111E01 #111E01 #121F01 #345A03 #579605

Accessibility & contrast

On white

17.18
#121F01 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.22
#121F01 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F01
17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##121F01#FFFFFF#000000##FFFFFF
##121F011.0017.181.2217.18
#FFFFFF17.181.0021.001.00
#0000001.2221.001.0021.00
##FFFFFF17.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#211C00
Deuteranopia (green-blind)
#1F1B03
Tritanopia (blue-blind)
#131D19
Achromatopsia (no color)
#1B1B1B

Design tokens & code

CSS
--color: #121f01;
/* rgb */ color: rgb(18, 31, 1);
/* oklch */ color: oklch(21.9% 0.056 129.1);
Tailwind
colors: {
  custom: {
    50: '#4f5a47',
    500: '#121f01',
    950: '#000000',
  },
}
SCSS
$custom: #121f01;
$custom-light: #4f5a47;
$custom-dark: #000000;
JSON
{
  "hex": "#121f01",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 1
  },
  "hsl": {
    "h": 86,
    "s": 93.75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.21901,
    "c": 0.05586,
    "h": 129.1
  },
  "luminance": 0.01111
}

Semantic roles & 50–950 ramp

primary
#121F01
secondary
#381567
accent
#29FF86
background
#F4F5F3
surface
#E7E9E5
border
#C3C5C1
text
#020400
muted
#787977

Preview Lab

Preview with #121F01

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

Preview Lab → · Contrast checker → · Palette generator →

#121F01 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva