#81EC5B#81EC5B

#81EC5B is a very light, highly saturated green. Relative luminance 0.654; OKLCH L 84.9% C 0.208 H 138.5°. Best body text is #000000 at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#81EC5B
RGB	rgb(129, 236, 91)
HSL	hsl(104, 79%, 64%)
HSV	hsv(104, 61%, 93%)
CMYK	cmyk(45.3%, 0%, 61.4%, 7.5%)
CIE-LAB	lab(84.69, -56.44, 59.24)
CIE-LCH	lch(84.69, 81.82, 133.61°)
OKLab	oklab(84.91% -0.1554 0.1377)
OKLCH	oklch(84.91% 0.208 138.5)
XYZ	xyz(40.9356, 65.4107, 20.3640)
Luminance	0.6541 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81EC5B #C65BEC

analogous

#CAEC5B #81EC5B #5BEC7E

triadic

#81EC5B #5B81EC #EC5B81

tetradic

#81EC5B #5BCAEC #C65BEC #EC7E5B

square

#81EC5B #5BCAEC #C65BEC #EC7E5B

split-complementary

#81EC5B #7E5BEC #EC5BCA

monochromatic

#40B715 #57E624 #81EC5B #ABF292 #D5F9C9

Accessibility & contrast

On white

1.49

#81EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.08

#81EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81EC5B

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81EC5B	#FFFFFF	#000000	##000000
##81EC5B	1.00	1.49	14.08	14.08
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.08	21.00	1.00	1.00
##000000	14.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D94A

Deuteranopia (green-blind)

#E4D067

Tritanopia (blue-blind)

#79E4CD

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #81ec5b;
/* rgb */ color: rgb(129, 236, 91);
/* oklch */ color: oklch(84.9% 0.208 138.5);

Tailwind

colors: {
  custom: {
    50: '#adf38f',
    500: '#81ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #81ec5b;
$custom-light: #adf38f;
$custom-dark: #000000;

JSON

{
  "hex": "#81ec5b",
  "rgb": {
    "r": 129,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 104.276,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.84907,
    "c": 0.20763,
    "h": 138.5
  },
  "luminance": 0.65413
}

Semantic roles & 50–950 ramp

primary

#81EC5B

secondary

#9534B7

accent

#0ADCA5

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#11170D

muted

#81857F

Preview Lab

Preview with #81EC5B

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

Preview Lab → · Contrast checker → · Palette generator →