#21781B#21781B

#21781B is a mid, vivid green. Relative luminance 0.138; OKLCH L 50.3% C 0.151 H 142.2°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#21781B
RGB	rgb(33, 120, 27)
HSL	hsl(116, 63%, 29%)
HSV	hsv(116, 78%, 47%)
CMYK	cmyk(72.5%, 0%, 77.5%, 52.9%)
CIE-LAB	lab(43.99, -43.75, 41.02)
CIE-LCH	lch(43.99, 59.97, 136.84°)
OKLab	oklab(50.28% -0.1191 0.0925)
OKLCH	oklch(50.28% 0.151 142.2)
XYZ	xyz(7.5411, 13.8346, 3.3096)
Luminance	0.1384 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21781B #721B78

analogous

#50781B #21781B #1B7844

triadic

#21781B #1B2178 #781B21

tetradic

#21781B #1B5078 #721B78 #78441B

square

#21781B #1B5078 #721B78 #78441B

split-complementary

#21781B #441B78 #781B50

monochromatic

#071906 #134610 #21781B #2FAA26 #44D33B

Accessibility & contrast

On white

5.57

#21781B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#21781B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21781B

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21781B	#FFFFFF	#000000	##FFFFFF
##21781B	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6C08

Deuteranopia (green-blind)

#716525

Tritanopia (blue-blind)

#097466

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #21781b;
/* rgb */ color: rgb(33, 120, 27);
/* oklch */ color: oklch(50.3% 0.151 142.2);

Tailwind

colors: {
  custom: {
    50: '#6ba05e',
    500: '#21781b',
    950: '#000000',
  },
}

SCSS

$custom: #21781b;
$custom-light: #6ba05e;
$custom-dark: #000000;

JSON

{
  "hex": "#21781b",
  "rgb": {
    "r": 33,
    "g": 120,
    "b": 27
  },
  "hsl": {
    "h": 116.129,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.50282,
    "c": 0.15081,
    "h": 142.2
  },
  "luminance": 0.13835
}

Semantic roles & 50–950 ramp

primary

#21781B

secondary

#A543AC

accent

#41E6DC

background

#F6F9F5

surface

#ECF2E9

border

#C7CCC5

text

#070F05

muted

#7A7E79

Preview Lab

Preview with #21781B

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

Preview Lab → · Contrast checker → · Palette generator →