#21801B#21801B

#21801B is a mid, vivid green. Relative luminance 0.158; OKLCH L 52.6% C 0.160 H 142.2°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#21801B
RGB	rgb(33, 128, 27)
HSL	hsl(116, 65%, 30%)
HSV	hsv(116, 79%, 50%)
CMYK	cmyk(74.2%, 0%, 78.9%, 49.8%)
CIE-LAB	lab(46.76, -46.56, 43.76)
CIE-LCH	lch(46.76, 63.89, 136.77°)
OKLab	oklab(52.58% -0.1267 0.0982)
OKLCH	oklch(52.58% 0.16 142.2)
XYZ	xyz(8.5437, 15.8399, 3.6438)
Luminance	0.1584 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21801B #7A1B80

analogous

#53801B #21801B #1B8048

triadic

#21801B #1B2180 #801B21

tetradic

#21801B #1B5380 #7A1B80 #80481B

square

#21801B #1B5380 #7A1B80 #80481B

split-complementary

#21801B #481B80 #801B53

monochromatic

#071B06 #144D10 #21801B #2EB326 #48D63F

Accessibility & contrast

On white

5.04

#21801B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#21801B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21801B

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21801B	#FFFFFF	#000000	##FFFFFF
##21801B	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837304

Deuteranopia (green-blind)

#786C26

Tritanopia (blue-blind)

#027C6D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #21801b;
/* rgb */ color: rgb(33, 128, 27);
/* oklch */ color: oklch(52.6% 0.160 142.2);

Tailwind

colors: {
  custom: {
    50: '#6da65f',
    500: '#21801b',
    950: '#000000',
  },
}

SCSS

$custom: #21801b;
$custom-light: #6da65f;
$custom-dark: #000000;

JSON

{
  "hex": "#21801b",
  "rgb": {
    "r": 33,
    "g": 128,
    "b": 27
  },
  "hsl": {
    "h": 116.436,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.5258,
    "c": 0.16031,
    "h": 142.2
  },
  "luminance": 0.15841
}

Semantic roles & 50–950 ramp

primary

#21801B

secondary

#AD43B4

accent

#40E8DE

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#080F05

muted

#7B7F79

Preview Lab

Preview with #21801B

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

Preview Lab → · Contrast checker → · Palette generator →