#21B43B#21B43B

#21B43B is a light, vivid green. Relative luminance 0.333; OKLCH L 67.3% C 0.200 H 145.1°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#21B43B
RGB	rgb(33, 180, 59)
HSL	hsl(131, 69%, 42%)
HSV	hsv(131, 82%, 71%)
CMYK	cmyk(81.7%, 0%, 67.2%, 29.4%)
CIE-LAB	lab(64.39, -60.77, 49.50)
CIE-LCH	lch(64.39, 78.38, 140.83°)
OKLab	oklab(67.3% -0.1638 0.1143)
OKLCH	oklch(67.3% 0.2 145.1)
XYZ	xyz(17.7366, 33.2794, 9.6256)
Luminance	0.3328 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B43B #B4219A

analogous

#51B421 #21B43B #21B485

triadic

#21B43B #3B21B4 #B43B21

tetradic

#21B43B #2151B4 #B4219A #B48521

square

#21B43B #2151B4 #B4219A #B48521

split-complementary

#21B43B #8521B4 #B42151

monochromatic

#0E4D19 #18802A #21B43B #38DA55 #6BE481

Accessibility & contrast

On white

2.74

#21B43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#21B43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B43B

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B43B	#FFFFFF	#000000	##000000
##21B43B	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)

#B7A32B

Deuteranopia (green-blind)

#A79846

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b43b;
/* rgb */ color: rgb(33, 180, 59);
/* oklch */ color: oklch(67.3% 0.200 145.1);

Tailwind

colors: {
  custom: {
    50: '#78cc77',
    500: '#21b43b',
    950: '#000000',
  },
}

SCSS

$custom: #21b43b;
$custom-light: #78cc77;
$custom-dark: #000000;

JSON

{
  "hex": "#21b43b",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 59
  },
  "hsl": {
    "h": 130.612,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67299,
    "c": 0.19979,
    "h": 145.1
  },
  "luminance": 0.33282
}

Semantic roles & 50–950 ramp

primary

#21B43B

secondary

#CA67B8

accent

#3CCDEC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #21B43B

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

Preview Lab → · Contrast checker → · Palette generator →