#21751B#21751B

#21751B is a mid, vivid green. Relative luminance 0.131; OKLCH L 49.4% C 0.147 H 142.1°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#21751B
RGB	rgb(33, 117, 27)
HSL	hsl(116, 63%, 28%)
HSV	hsv(116, 77%, 46%)
CMYK	cmyk(71.8%, 0%, 76.9%, 54.1%)
CIE-LAB	lab(42.95, -42.67, 39.97)
CIE-LCH	lch(42.95, 58.47, 136.87°)
OKLab	oklab(49.42% -0.1162 0.0903)
OKLCH	oklch(49.42% 0.147 142.1)
XYZ	xyz(7.1859, 13.1243, 3.1912)
Luminance	0.1313 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21751B #6F1B75

analogous

#4E751B #21751B #1B7542

triadic

#21751B #1B2175 #751B21

tetradic

#21751B #1B4E75 #6F1B75 #75421B

square

#21751B #1B4E75 #6F1B75 #75421B

split-complementary

#21751B #421B75 #751B4E

monochromatic

#071906 #134310 #21751B #2FA726 #43D139

Accessibility & contrast

On white

5.79

#21751B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#21751B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21751B

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21751B	#FFFFFF	#000000	##FFFFFF
##21751B	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786A0A

Deuteranopia (green-blind)

#6E6325

Tritanopia (blue-blind)

#0B7164

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #21751b;
/* rgb */ color: rgb(33, 117, 27);
/* oklch */ color: oklch(49.4% 0.147 142.1);

Tailwind

colors: {
  custom: {
    50: '#6a9e5e',
    500: '#21751b',
    950: '#000000',
  },
}

SCSS

$custom: #21751b;
$custom-light: #6a9e5e;
$custom-dark: #000000;

JSON

{
  "hex": "#21751b",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 27
  },
  "hsl": {
    "h": 116,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.49415,
    "c": 0.14716,
    "h": 142.1
  },
  "luminance": 0.13125
}

Semantic roles & 50–950 ramp

primary

#21751B

secondary

#A342A9

accent

#42E6DB

background

#F6F9F5

surface

#ECF2E9

border

#C7CCC5

text

#070E05

muted

#7A7E79

Preview Lab

Preview with #21751B

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

Preview Lab → · Contrast checker → · Palette generator →