#81D951#81D951

#81D951 is a light, vivid yellow-green. Relative luminance 0.549; OKLCH L 80.2% C 0.191 H 136.2°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#81D951
RGB	rgb(129, 217, 81)
HSL	hsl(99, 64%, 58%)
HSV	hsv(99, 63%, 85%)
CMYK	cmyk(40.6%, 0%, 62.7%, 14.9%)
CIE-LAB	lab(78.97, -49.80, 57.09)
CIE-LCH	lch(78.97, 75.76, 131.10°)
OKLab	oklab(80.2% -0.138 0.1321)
OKLCH	oklch(80.2% 0.191 136.2)
XYZ	xyz(35.3504, 54.8850, 16.5142)
Luminance	0.5489 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D951 #A951D9

analogous

#C5D951 #81D951 #51D965

triadic

#81D951 #5181D9 #D95181

tetradic

#81D951 #51C5D9 #A951D9 #D96551

square

#81D951 #51C5D9 #A951D9 #D96551

split-complementary

#81D951 #6551D9 #D951C5

monochromatic

#47901F #60C22A #81D951 #A5E483 #CAEFB5

Accessibility & contrast

On white

1.75

#81D951 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#81D951 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D951

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D951	#FFFFFF	#000000	##000000
##81D951	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C841

Deuteranopia (green-blind)

#D4C15C

Tritanopia (blue-blind)

#7ED1BC

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #81d951;
/* rgb */ color: rgb(129, 217, 81);
/* oklch */ color: oklch(80.2% 0.191 136.2);

Tailwind

colors: {
  custom: {
    50: '#abe587',
    500: '#81d951',
    950: '#000000',
  },
}

SCSS

$custom: #81d951;
$custom-light: #abe587;
$custom-dark: #000000;

JSON

{
  "hex": "#81d951",
  "rgb": {
    "r": 129,
    "g": 217,
    "b": 81
  },
  "hsl": {
    "h": 98.824,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80195,
    "c": 0.19103,
    "h": 136.2
  },
  "luminance": 0.54887
}

Semantic roles & 50–950 ramp

primary

#81D951

secondary

#753995

accent

#41E7AC

background

#FDFEFC

surface

#F7FCF4

border

#D0D5CE

text

#11160C

muted

#81847F

Preview Lab

Preview with #81D951

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

Preview Lab → · Contrast checker → · Palette generator →