#21831C#21831C

#21831C is a mid, vivid green. Relative luminance 0.166; OKLCH L 53.4% C 0.163 H 142.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#21831C
RGB	rgb(33, 131, 28)
HSL	hsl(117, 65%, 31%)
HSV	hsv(117, 79%, 51%)
CMYK	cmyk(74.8%, 0%, 78.6%, 48.6%)
CIE-LAB	lab(47.80, -47.51, 44.43)
CIE-LCH	lch(47.80, 65.05, 136.92°)
OKLab	oklab(53.44% -0.1292 0.0998)
OKLCH	oklch(53.44% 0.163 142.3)
XYZ	xyz(8.9526, 16.6388, 3.8382)
Luminance	0.1664 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21831C #7E1C83

analogous

#54831C #21831C #1C834A

triadic

#21831C #1C2183 #831C21

tetradic

#21831C #1C5483 #7E1C83 #834A1C

square

#21831C #1C5483 #7E1C83 #834A1C

split-complementary

#21831C #4A1C83 #831C54

monochromatic

#081E06 #145111 #21831C #2EB527 #4AD743

Accessibility & contrast

On white

4.85

#21831C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#21831C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21831C

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21831C	#FFFFFF	#000000	##FFFFFF
##21831C	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867604

Deuteranopia (green-blind)

#7B6F28

Tritanopia (blue-blind)

#007F70

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #21831c;
/* rgb */ color: rgb(33, 131, 28);
/* oklch */ color: oklch(53.4% 0.163 142.3);

Tailwind

colors: {
  custom: {
    50: '#6da860',
    500: '#21831c',
    950: '#000000',
  },
}

SCSS

$custom: #21831c;
$custom-light: #6da860;
$custom-dark: #000000;

JSON

{
  "hex": "#21831c",
  "rgb": {
    "r": 33,
    "g": 131,
    "b": 28
  },
  "hsl": {
    "h": 117.087,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.53444,
    "c": 0.16326,
    "h": 142.3
  },
  "luminance": 0.1664
}

Semantic roles & 50–950 ramp

primary

#21831C

secondary

#B145B6

accent

#40E8E0

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #21831C

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

Preview Lab → · Contrast checker → · Palette generator →