#81D751#81D751

#81D751 is a light, vivid yellow-green. Relative luminance 0.539; OKLCH L 79.7% C 0.188 H 136.1°. Best body text is #000000 at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#81D751
RGB	rgb(129, 215, 81)
HSL	hsl(99, 63%, 58%)
HSV	hsv(99, 62%, 84%)
CMYK	cmyk(40%, 0%, 62.3%, 15.7%)
CIE-LAB	lab(78.38, -48.98, 56.43)
CIE-LCH	lch(78.38, 74.73, 130.96°)
OKLab	oklab(79.71% -0.1358 0.1307)
OKLCH	oklch(79.71% 0.188 136.1)
XYZ	xyz(34.8380, 53.8602, 16.3434)
Luminance	0.5386 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D751 #A751D7

analogous

#C4D751 #81D751 #51D764

triadic

#81D751 #5181D7 #D75181

tetradic

#81D751 #51C4D7 #A751D7 #D76451

square

#81D751 #51C4D7 #A751D7 #D76451

split-complementary

#81D751 #6451D7 #D751C4

monochromatic

#478D20 #61BF2C #81D751 #A5E283 #C9EEB5

Accessibility & contrast

On white

1.78

#81D751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.77

#81D751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D751

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D751	#FFFFFF	#000000	##000000
##81D751	1.00	1.78	11.77	11.77
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.77	21.00	1.00	1.00
##000000	11.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC641

Deuteranopia (green-blind)

#D2BF5C

Tritanopia (blue-blind)

#7ED0BB

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #81d751;
/* rgb */ color: rgb(129, 215, 81);
/* oklch */ color: oklch(79.7% 0.188 136.1);

Tailwind

colors: {
  custom: {
    50: '#abe487',
    500: '#81d751',
    950: '#000000',
  },
}

SCSS

$custom: #81d751;
$custom-light: #abe487;
$custom-dark: #000000;

JSON

{
  "hex": "#81d751",
  "rgb": {
    "r": 129,
    "g": 215,
    "b": 81
  },
  "hsl": {
    "h": 98.507,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.79709,
    "c": 0.18846,
    "h": 136.1
  },
  "luminance": 0.53862
}

Semantic roles & 50–950 ramp

primary

#81D751

secondary

#733993

accent

#42E6AB

background

#FDFEFC

surface

#F7FCF3

border

#D0D5CD

text

#11150C

muted

#81847F

Preview Lab

Preview with #81D751

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

Preview Lab → · Contrast checker → · Palette generator →