#81D53F#81D53F

#81D53F is a light, vivid yellow-green. Relative luminance 0.526; OKLCH L 79.1% C 0.198 H 134.4°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#81D53F
RGB	rgb(129, 213, 63)
HSL	hsl(94, 64%, 54%)
HSV	hsv(94, 70%, 84%)
CMYK	cmyk(39.4%, 0%, 70.4%, 16.5%)
CIE-LAB	lab(77.65, -49.60, 62.78)
CIE-LCH	lch(77.65, 80.01, 128.31°)
OKLab	oklab(79.06% -0.1387 0.1419)
OKLCH	oklch(79.06% 0.198 134.4)
XYZ	xyz(33.7441, 52.6128, 13.0789)
Luminance	0.5262 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D53F #933FD5

analogous

#CCD53F #81D53F #3FD548

triadic

#81D53F #3F81D5 #D53F81

tetradic

#81D53F #3FCCD5 #933FD5 #D5483F

square

#81D53F #3FCCD5 #933FD5 #D5483F

split-complementary

#81D53F #483FD5 #D53FCC

monochromatic

#477E1C #63B027 #81D53F #A2E071 #C3EBA3

Accessibility & contrast

On white

1.82

#81D53F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#81D53F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D53F

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D53F	#FFFFFF	#000000	##000000
##81D53F	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC426

Deuteranopia (green-blind)

#D2BD4D

Tritanopia (blue-blind)

#80CDB7

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d53f;
/* rgb */ color: rgb(129, 213, 63);
/* oklch */ color: oklch(79.1% 0.198 134.4);

Tailwind

colors: {
  custom: {
    50: '#ace27d',
    500: '#81d53f',
    950: '#000000',
  },
}

SCSS

$custom: #81d53f;
$custom-light: #ace27d;
$custom-dark: #000000;

JSON

{
  "hex": "#81d53f",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 63
  },
  "hsl": {
    "h": 93.6,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.79064,
    "c": 0.19843,
    "h": 134.4
  },
  "luminance": 0.52615
}

Semantic roles & 50–950 ramp

primary

#81D53F

secondary

#613385

accent

#41E79E

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D53F

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

Preview Lab → · Contrast checker → · Palette generator →