#21731B#21731B

#21731B is a mid, vivid green. Relative luminance 0.127; OKLCH L 48.8% C 0.145 H 142.1°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#21731B
RGB	rgb(33, 115, 27)
HSL	hsl(116, 62%, 28%)
HSV	hsv(116, 77%, 45%)
CMYK	cmyk(71.3%, 0%, 76.5%, 54.9%)
CIE-LAB	lab(42.25, -41.95, 39.27)
CIE-LCH	lch(42.25, 57.46, 136.89°)
OKLab	oklab(48.84% -0.1142 0.0889)
OKLCH	oklch(48.84% 0.145 142.1)
XYZ	xyz(6.9554, 12.6632, 3.1144)
Luminance	0.1266 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21731B #6D1B73

analogous

#4D731B #21731B #1B7341

triadic

#21731B #1B2173 #731B21

tetradic

#21731B #1B4D73 #6D1B73 #73411B

square

#21731B #1B4D73 #6D1B73 #73411B

split-complementary

#21731B #411B73 #731B4D

monochromatic

#071906 #13410F #21731B #2FA527 #42D038

Accessibility & contrast

On white

5.94

#21731B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#21731B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21731B

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21731B	#FFFFFF	#000000	##FFFFFF
##21731B	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#76680B

Deuteranopia (green-blind)

#6C6124

Tritanopia (blue-blind)

#0D6F62

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #21731b;
/* rgb */ color: rgb(33, 115, 27);
/* oklch */ color: oklch(48.8% 0.145 142.1);

Tailwind

colors: {
  custom: {
    50: '#6a9c5e',
    500: '#21731b',
    950: '#000000',
  },
}

SCSS

$custom: #21731b;
$custom-light: #6a9c5e;
$custom-dark: #000000;

JSON

{
  "hex": "#21731b",
  "rgb": {
    "r": 33,
    "g": 115,
    "b": 27
  },
  "hsl": {
    "h": 115.909,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.48836,
    "c": 0.14471,
    "h": 142.1
  },
  "luminance": 0.12664
}

Semantic roles & 50–950 ramp

primary

#21731B

secondary

#A142A8

accent

#43E5DA

background

#F6F9F5

surface

#ECF2E9

border

#C7CCC5

text

#070E05

muted

#7A7E79

Preview Lab

Preview with #21731B

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

Preview Lab → · Contrast checker → · Palette generator →