#21821B#21821B

#21821B is a mid, vivid green. Relative luminance 0.164; OKLCH L 53.2% C 0.163 H 142.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#21821B
RGB	rgb(33, 130, 27)
HSL	hsl(117, 66%, 31%)
HSV	hsv(117, 79%, 51%)
CMYK	cmyk(74.6%, 0%, 79.2%, 49%)
CIE-LAB	lab(47.45, -47.24, 44.44)
CIE-LCH	lch(47.45, 64.86, 136.75°)
OKLab	oklab(53.15% -0.1285 0.0996)
OKLCH	oklch(53.15% 0.163 142.2)
XYZ	xyz(8.8071, 16.3667, 3.7316)
Luminance	0.1637 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21821B #7C1B82

analogous

#54821B #21821B #1B8248

triadic

#21821B #1B2182 #821B21

tetradic

#21821B #1B5482 #7C1B82 #82481B

square

#21821B #1B5482 #7C1B82 #82481B

split-complementary

#21821B #481B82 #821B54

monochromatic

#071D06 #144F10 #21821B #2EB526 #49D740

Accessibility & contrast

On white

4.91

#21821B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#21821B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21821B

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21821B	#FFFFFF	#000000	##FFFFFF
##21821B	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857502

Deuteranopia (green-blind)

#7A6E27

Tritanopia (blue-blind)

#007E6F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #21821b;
/* rgb */ color: rgb(33, 130, 27);
/* oklch */ color: oklch(53.2% 0.163 142.2);

Tailwind

colors: {
  custom: {
    50: '#6da760',
    500: '#21821b',
    950: '#000000',
  },
}

SCSS

$custom: #21821b;
$custom-light: #6da760;
$custom-dark: #000000;

JSON

{
  "hex": "#21821b",
  "rgb": {
    "r": 33,
    "g": 130,
    "b": 27
  },
  "hsl": {
    "h": 116.505,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53152,
    "c": 0.16264,
    "h": 142.2
  },
  "luminance": 0.16368
}

Semantic roles & 50–950 ramp

primary

#21821B

secondary

#AF43B6

accent

#3FE9DF

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #21821B

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

Preview Lab → · Contrast checker → · Palette generator →