#121C01#121C01

#121C01 is a very dark, muted yellow-green. Relative luminance 0.010; OKLCH L 20.9% C 0.051 H 126.4°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#121C01
RGB	rgb(18, 28, 1)
HSL	hsl(82, 93%, 6%)
HSV	hsv(82, 96%, 11%)
CMYK	cmyk(35.7%, 0%, 96.4%, 89%)
CIE-LAB	lab(8.66, -9.89, 12.38)
CIE-LCH	lch(8.66, 15.85, 128.63°)
OKLab	oklab(20.91% -0.0303 0.0411)
OKLCH	oklch(20.91% 0.051 126.4)
XYZ	xyz(0.6702, 0.9613, 0.1789)
Luminance	0.0096 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 14.64

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C01 #0B011C

analogous

#1C1801 #121C01 #041C01

triadic

#121C01 #01121C #1C0112

tetradic

#121C01 #011C18 #0B011C #1C0104

square

#121C01 #011C18 #0B011C #1C0104

split-complementary

#121C01 #01041C #18011C

monochromatic

#131E01 #131E01 #131E01 #385703 #5E9205

Accessibility & contrast

On white

17.61

#121C01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#121C01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C01

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C01	#FFFFFF	#000000	##FFFFFF
##121C01	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1900

Deuteranopia (green-blind)

#1D1902

Tritanopia (blue-blind)

#131A16

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #121c01;
/* rgb */ color: rgb(18, 28, 1);
/* oklch */ color: oklch(20.9% 0.051 126.4);

Tailwind

colors: {
  custom: {
    50: '#4f5847',
    500: '#121c01',
    950: '#000000',
  },
}

SCSS

$custom: #121c01;
$custom-light: #4f5847;
$custom-dark: #000000;

JSON

{
  "hex": "#121c01",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 1
  },
  "hsl": {
    "h": 82.222,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.20911,
    "c": 0.0511,
    "h": 126.4
  },
  "luminance": 0.00961
}

Semantic roles & 50–950 ramp

primary

#121C01

secondary

#321564

accent

#29FF78

background

#F4F5F3

surface

#E7E9E5

border

#C3C5C1

text

#020300

muted

#787877

Preview Lab

Preview with #121C01

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

Preview Lab → · Contrast checker → · Palette generator →