#81D53B#81D53B

#81D53B is a light, highly saturated yellow-green. Relative luminance 0.526; OKLCH L 79.0% C 0.201 H 134.1°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#81D53B
RGB	rgb(129, 213, 59)
HSL	hsl(93, 65%, 53%)
HSV	hsv(93, 72%, 84%)
CMYK	cmyk(39.4%, 0%, 72.3%, 16.5%)
CIE-LAB	lab(77.62, -49.87, 64.18)
CIE-LCH	lch(77.62, 81.28, 127.85°)
OKLab	oklab(79.04% -0.1397 0.1442)
OKLCH	oklch(79.04% 0.201 134.1)
XYZ	xyz(33.6363, 52.5697, 12.5115)
Luminance	0.5257 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D53B #8F3BD5

analogous

#CED53B #81D53B #3BD542

triadic

#81D53B #3B81D5 #D53B81

tetradic

#81D53B #3BCED5 #8F3BD5 #D5423B

square

#81D53B #3BCED5 #8F3BD5 #D5423B

split-complementary

#81D53B #423BD5 #D53BCE

monochromatic

#467B1A #63AE25 #81D53B #A1E06D #C2EBA0

Accessibility & contrast

On white

1.82

#81D53B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#81D53B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D53B

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D53B	#FFFFFF	#000000	##000000
##81D53B	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC41E

Deuteranopia (green-blind)

#D2BD4A

Tritanopia (blue-blind)

#80CDB7

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d53b;
/* rgb */ color: rgb(129, 213, 59);
/* oklch */ color: oklch(79.0% 0.201 134.1);

Tailwind

colors: {
  custom: {
    50: '#ace27b',
    500: '#81d53b',
    950: '#000000',
  },
}

SCSS

$custom: #81d53b;
$custom-light: #ace27b;
$custom-dark: #000000;

JSON

{
  "hex": "#81d53b",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 59
  },
  "hsl": {
    "h": 92.727,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.79035,
    "c": 0.20083,
    "h": 134.1
  },
  "luminance": 0.52571
}

Semantic roles & 50–950 ramp

primary

#81D53B

secondary

#5E3183

accent

#40E89C

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D53B

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

Preview Lab → · Contrast checker → · Palette generator →