#21721B#21721B

#21721B is a mid, vivid green. Relative luminance 0.124; OKLCH L 48.5% C 0.143 H 142.1°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#21721B
RGB	rgb(33, 114, 27)
HSL	hsl(116, 62%, 28%)
HSV	hsv(116, 76%, 45%)
CMYK	cmyk(71.1%, 0%, 76.3%, 55.3%)
CIE-LAB	lab(41.90, -41.58, 38.91)
CIE-LCH	lch(41.90, 56.95, 136.90°)
OKLab	oklab(48.55% -0.1132 0.0881)
OKLCH	oklch(48.55% 0.143 142.1)
XYZ	xyz(6.8420, 12.4364, 3.0766)
Luminance	0.1244 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21721B #6C1B72

analogous

#4C721B #21721B #1B7240

triadic

#21721B #1B2172 #721B21

tetradic

#21721B #1B4C72 #6C1B72 #72401B

square

#21721B #1B4C72 #6C1B72 #72401B

split-complementary

#21721B #401B72 #721B4C

monochromatic

#071906 #13410F #21721B #2FA327 #42D038

Accessibility & contrast

On white

6.02

#21721B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#21721B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21721B

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21721B	#FFFFFF	#000000	##FFFFFF
##21721B	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75670B

Deuteranopia (green-blind)

#6B6024

Tritanopia (blue-blind)

#0E6E61

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #21721b;
/* rgb */ color: rgb(33, 114, 27);
/* oklch */ color: oklch(48.5% 0.143 142.1);

Tailwind

colors: {
  custom: {
    50: '#699b5d',
    500: '#21721b',
    950: '#000000',
  },
}

SCSS

$custom: #21721b;
$custom-light: #699b5d;
$custom-dark: #000000;

JSON

{
  "hex": "#21721b",
  "rgb": {
    "r": 33,
    "g": 114,
    "b": 27
  },
  "hsl": {
    "h": 115.862,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.48546,
    "c": 0.14348,
    "h": 142.1
  },
  "luminance": 0.12437
}

Semantic roles & 50–950 ramp

primary

#21721B

secondary

#A042A7

accent

#43E5DA

background

#F6F9F5

surface

#ECF2E9

border

#C7CCC5

text

#070E04

muted

#7A7E79

Preview Lab

Preview with #21721B

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

Preview Lab → · Contrast checker → · Palette generator →