#121B09#121B09

#121B09 is a very dark, muted yellow-green. Relative luminance 0.009; OKLCH L 20.8% C 0.036 H 130.7°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#121B09
RGB	rgb(18, 27, 9)
HSL	hsl(90, 50%, 7%)
HSV	hsv(90, 67%, 11%)
CMYK	cmyk(33.3%, 0%, 66.7%, 89.4%)
CIE-LAB	lab(8.41, -7.97, 8.76)
CIE-LCH	lch(8.41, 11.84, 132.31°)
OKLab	oklab(20.76% -0.0232 0.027)
OKLCH	oklch(20.76% 0.036 130.7)
XYZ	xyz(0.6907, 0.9322, 0.4019)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B09 #12091B

analogous

#1B1B09 #121B09 #091B09

triadic

#121B09 #09121B #1B0912

tetradic

#121B09 #091B1B #12091B #1B0909

square

#121B09 #091B1B #12091B #1B0909

split-complementary

#121B09 #09091B #1B091B

monochromatic

#0F1708 #0F1708 #121B09 #314918 #4F7728

Accessibility & contrast

On white

17.70

#121B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#121B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B09

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B09	#FFFFFF	#000000	##FFFFFF
##121B09	1.00	17.70	1.19	17.70
#FFFFFF	17.70	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1908

Deuteranopia (green-blind)

#1B180A

Tritanopia (blue-blind)

#121A17

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #121b09;
/* rgb */ color: rgb(18, 27, 9);
/* oklch */ color: oklch(20.8% 0.036 130.7);

Tailwind

colors: {
  custom: {
    50: '#4f574a',
    500: '#121b09',
    950: '#000000',
  },
}

SCSS

$custom: #121b09;
$custom-light: #4f574a;
$custom-dark: #000000;

JSON

{
  "hex": "#121b09",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 9
  },
  "hsl": {
    "h": 90,
    "s": 50,
    "l": 7.059
  },
  "oklch": {
    "l": 0.20756,
    "c": 0.03556,
    "h": 130.7
  },
  "luminance": 0.00932
}

Semantic roles & 50–950 ramp

primary

#121B09

secondary

#402A56

accent

#4EDA94

background

#F4F5F4

surface

#E7E9E7

border

#C3C5C3

text

#020301

muted

#787877

Preview Lab

Preview with #121B09

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

Preview Lab → · Contrast checker → · Palette generator →