#121F00#121F00

#121F00 is a very dark, muted yellow-green. Relative luminance 0.011; OKLCH L 21.9% C 0.058 H 128.5°. Best body text is #FFFFFF at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#121F00
RGB	rgb(18, 31, 0)
HSL	hsl(85, 100%, 6%)
HSV	hsv(85, 100%, 12%)
CMYK	cmyk(41.9%, 0%, 100%, 87.8%)
CIE-LAB	lab(9.86, -12.23, 14.50)
CIE-LCH	lch(9.86, 18.97, 130.14°)
OKLab	oklab(21.88% -0.0359 0.0451)
OKLCH	oklch(21.88% 0.058 128.5)
XYZ	xyz(0.7394, 1.1085, 0.1750)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F00 #0D001F

analogous

#1F1C00 #121F00 #021F00

triadic

#121F00 #00121F #1F0012

tetradic

#121F00 #001F1C #0D001F #1F0002

square

#121F00 #001F1C #0D001F #1F0002

split-complementary

#121F00 #00021F #1C001F

monochromatic

#121F00 #121F00 #121F00 #365C00 #599900

Accessibility & contrast

On white

17.19

#121F00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#121F00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F00

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F00	#FFFFFF	#000000	##FFFFFF
##121F00	1.00	17.19	1.22	17.19
#FFFFFF	17.19	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211C00

Deuteranopia (green-blind)

#1F1B02

Tritanopia (blue-blind)

#131D19

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #121f00;
/* rgb */ color: rgb(18, 31, 0);
/* oklch */ color: oklch(21.9% 0.058 128.5);

Tailwind

colors: {
  custom: {
    50: '#4f5a46',
    500: '#121f00',
    950: '#000000',
  },
}

SCSS

$custom: #121f00;
$custom-light: #4f5a46;
$custom-dark: #000000;

JSON

{
  "hex": "#121f00",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 0
  },
  "hsl": {
    "h": 85.161,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.21882,
    "c": 0.05765,
    "h": 128.5
  },
  "luminance": 0.01109
}

Semantic roles & 50–950 ramp

primary

#121F00

secondary

#361268

accent

#29FF83

background

#F4F5F3

surface

#E7E9E5

border

#C3C5C1

text

#020400

muted

#787977

Preview Lab

Preview with #121F00

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

Preview Lab → · Contrast checker → · Palette generator →