#21B43F#21B43F

#21B43F is a light, vivid green. Relative luminance 0.333; OKLCH L 67.3% C 0.197 H 145.6°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#21B43F
RGB	rgb(33, 180, 63)
HSL	hsl(132, 69%, 42%)
HSV	hsv(132, 82%, 71%)
CMYK	cmyk(81.7%, 0%, 65%, 29.4%)
CIE-LAB	lab(64.42, -60.34, 47.84)
CIE-LCH	lch(64.42, 77.01, 141.59°)
OKLab	oklab(67.34% -0.1625 0.1112)
OKLCH	oklch(67.34% 0.197 145.6)
XYZ	xyz(17.8443, 33.3225, 10.1931)
Luminance	0.3332 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B43F #B42196

analogous

#4DB421 #21B43F #21B489

triadic

#21B43F #3F21B4 #B43F21

tetradic

#21B43F #214DB4 #B42196 #B48921

square

#21B43F #214DB4 #B42196 #B48921

split-complementary

#21B43F #8921B4 #B4214D

monochromatic

#0E4D1B #18802D #21B43F #38DA59 #6BE484

Accessibility & contrast

On white

2.74

#21B43F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#21B43F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B43F

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B43F	#FFFFFF	#000000	##000000
##21B43F	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A331

Deuteranopia (green-blind)

#A7984A

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b43f;
/* rgb */ color: rgb(33, 180, 63);
/* oklch */ color: oklch(67.3% 0.197 145.6);

Tailwind

colors: {
  custom: {
    50: '#78cc79',
    500: '#21b43f',
    950: '#000000',
  },
}

SCSS

$custom: #21b43f;
$custom-light: #78cc79;
$custom-dark: #000000;

JSON

{
  "hex": "#21b43f",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 63
  },
  "hsl": {
    "h": 132.245,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67339,
    "c": 0.19695,
    "h": 145.6
  },
  "luminance": 0.33325
}

Semantic roles & 50–950 ramp

primary

#21B43F

secondary

#CA67B6

accent

#3CC8EC

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #21B43F

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

Preview Lab → · Contrast checker → · Palette generator →