#21D478#21D478

#21D478 is a light, vivid green. Relative luminance 0.488; OKLCH L 76.6% C 0.188 H 153.6°. Best body text is #000000 at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#21D478
RGB	rgb(33, 212, 120)
HSL	hsl(149, 73%, 48%)
HSV	hsv(149, 84%, 83%)
CMYK	cmyk(84.4%, 0%, 43.4%, 16.9%)
CIE-LAB	lab(75.30, -62.62, 33.78)
CIE-LCH	lch(75.30, 71.15, 151.66°)
OKLab	oklab(76.59% -0.1682 0.0834)
OKLCH	oklch(76.59% 0.188 153.6)
XYZ	xyz(27.5582, 48.7629, 25.7254)
Luminance	0.4877 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21D478 #D4217D

analogous

#24D421 #21D478 #21D4D1

triadic

#21D478 #7821D4 #D47821

tetradic

#21D478 #2124D4 #D4217D #D4D121

square

#21D478 #2124D4 #D4217D #D4D121

split-complementary

#21D478 #D121D4 #D42124

monochromatic

#116A3C #199F5A #21D478 #4FE497 #84ECB6

Accessibility & contrast

On white

1.95

#21D478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.75

#21D478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21D478

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21D478	#FFFFFF	#000000	##000000
##21D478	1.00	1.95	10.75	10.75
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.75	21.00	1.00	1.00
##000000	10.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C271

Deuteranopia (green-blind)

#C0B47E

Tritanopia (blue-blind)

#00D1BE

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #21d478;
/* rgb */ color: rgb(33, 212, 120);
/* oklch */ color: oklch(76.6% 0.188 153.6);

Tailwind

colors: {
  custom: {
    50: '#7ee2a0',
    500: '#21d478',
    950: '#000000',
  },
}

SCSS

$custom: #21d478;
$custom-light: #7ee2a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21d478",
  "rgb": {
    "r": 33,
    "g": 212,
    "b": 120
  },
  "hsl": {
    "h": 149.162,
    "s": 73.061,
    "l": 48.039
  },
  "oklch": {
    "l": 0.76593,
    "c": 0.18771,
    "h": 153.6
  },
  "luminance": 0.48766
}

Semantic roles & 50–950 ramp

primary

#21D478

secondary

#D57CAA

accent

#3896F0

background

#F8FEF9

surface

#F0FCF2

border

#CBD5CC

text

#0C160F

muted

#7D847E

Preview Lab

Preview with #21D478

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

Preview Lab → · Contrast checker → · Palette generator →