#212B00#212B00

#212B00 is a dark, moderate yellow-green. Relative luminance 0.021; OKLCH L 27.0% C 0.066 H 122.2°. Best body text is #FFFFFF at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#212B00
RGB	rgb(33, 43, 0)
HSL	hsl(74, 100%, 8%)
HSV	hsv(74, 100%, 17%)
CMYK	cmyk(23.3%, 0%, 100%, 83.1%)
CIE-LAB	lab(15.75, -11.70, 22.62)
CIE-LCH	lch(15.75, 25.47, 117.35°)
OKLab	oklab(26.98% -0.035 0.0555)
OKLCH	oklch(26.98% 0.066 122.2)
XYZ	xyz(1.4911, 2.0511, 0.3173)
Luminance	0.0205 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212B00 #0A002B

analogous

#2B1F00 #212B00 #0B2B00

triadic

#212B00 #00212B #2B0021

tetradic

#212B00 #002B1F #0A002B #2B000B

square

#212B00 #002B1F #0A002B #2B000B

split-complementary

#212B00 #000B2B #1F002B

monochromatic

#171F00 #171F00 #212B00 #506800 #7FA500

Accessibility & contrast

On white

14.89

#212B00 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#212B00 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212B00

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212B00	#FFFFFF	#000000	##FFFFFF
##212B00	1.00	14.89	1.41	14.89
#FFFFFF	14.89	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2700

Deuteranopia (green-blind)

#2D2703

Tritanopia (blue-blind)

#242823

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #212b00;
/* rgb */ color: rgb(33, 43, 0);
/* oklch */ color: oklch(27.0% 0.066 122.2);

Tailwind

colors: {
  custom: {
    50: '#5d6447',
    500: '#212b00',
    950: '#000000',
  },
}

SCSS

$custom: #212b00;
$custom-light: #5d6447;
$custom-dark: #000000;

JSON

{
  "hex": "#212b00",
  "rgb": {
    "r": 33,
    "g": 43,
    "b": 0
  },
  "hsl": {
    "h": 73.953,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.26978,
    "c": 0.0656,
    "h": 122.2
  },
  "luminance": 0.02051
}

Semantic roles & 50–950 ramp

primary

#212B00

secondary

#2A1473

accent

#29FF5B

background

#F5F5F4

surface

#E9EAE6

border

#C5C6C2

text

#040500

muted

#797977

Preview Lab

Preview with #212B00

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

Preview Lab → · Contrast checker → · Palette generator →