#121F09#121F09

#121F09 is a very dark, muted yellow-green. Relative luminance 0.011; OKLCH L 22.1% C 0.043 H 134.0°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).

Color values

HEX	#121F09
RGB	rgb(18, 31, 9)
HSL	hsl(95, 55%, 8%)
HSV	hsv(95, 71%, 12%)
CMYK	cmyk(41.9%, 0%, 71%, 87.8%)
CIE-LAB	lab(10.02, -10.87, 11.06)
CIE-LCH	lch(10.02, 15.50, 134.52°)
OKLab	oklab(22.05% -0.0302 0.0313)
OKLCH	oklch(22.05% 0.043 134)
XYZ	xyz(0.7887, 1.1283, 0.4346)
Luminance	0.0113 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F09 #16091F

analogous

#1D1F09 #121F09 #091F0B

triadic

#121F09 #09121F #1F0912

tetradic

#121F09 #091D1F #16091F #1F0B09

square

#121F09 #091D1F #16091F #1F0B09

split-complementary

#121F09 #0B091F #1F091D

monochromatic

#0E1807 #0E1807 #121F09 #2E4E17 #497E25

Accessibility & contrast

On white

17.13

#121F09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#121F09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F09

17.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F09	#FFFFFF	#000000	##FFFFFF
##121F09	1.00	17.13	1.23	17.13
#FFFFFF	17.13	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C07

Deuteranopia (green-blind)

#1F1B0A

Tritanopia (blue-blind)

#121E1A

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #121f09;
/* rgb */ color: rgb(18, 31, 9);
/* oklch */ color: oklch(22.1% 0.043 134.0);

Tailwind

colors: {
  custom: {
    50: '#4f5a4a',
    500: '#121f09',
    950: '#000000',
  },
}

SCSS

$custom: #121f09;
$custom-light: #4f5a4a;
$custom-dark: #000000;

JSON

{
  "hex": "#121f09",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 9
  },
  "hsl": {
    "h": 95.455,
    "s": 55,
    "l": 7.843
  },
  "oklch": {
    "l": 0.22054,
    "c": 0.04348,
    "h": 134
  },
  "luminance": 0.01128
}

Semantic roles & 50–950 ramp

primary

#121F09

secondary

#47295B

accent

#49DEA1

background

#F4F5F4

surface

#E7E9E7

border

#C3C5C3

text

#020401

muted

#787977

Preview Lab

Preview with #121F09

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

Preview Lab → · Contrast checker → · Palette generator →