#81E451#81E451

#81E451 is a very light, highly saturated green. Relative luminance 0.607; OKLCH L 82.9% C 0.205 H 137.0°. Best body text is #000000 at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#81E451
RGB	rgb(129, 228, 81)
HSL	hsl(100, 73%, 61%)
HSV	hsv(100, 64%, 89%)
CMYK	cmyk(43.4%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(82.24, -54.21, 60.66)
CIE-LCH	lch(82.24, 81.35, 131.79°)
OKLab	oklab(82.87% -0.15 0.1397)
OKLCH	oklch(82.87% 0.205 137)
XYZ	xyz(38.2807, 60.7457, 17.4910)
Luminance	0.6075 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E451 #B451E4

analogous

#CAE451 #81E451 #51E46A

triadic

#81E451 #5181E4 #E45181

tetradic

#81E451 #51CAE4 #B451E4 #E46A51

square

#81E451 #51CAE4 #B451E4 #E46A51

split-complementary

#81E451 #6A51E4 #E451CA

monochromatic

#46A219 #5CD721 #81E451 #A7EC86 #CEF4BB

Accessibility & contrast

On white

1.60

#81E451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.15

#81E451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E451

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E451	#FFFFFF	#000000	##000000
##81E451	1.00	1.60	13.15	13.15
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.15	21.00	1.00	1.00
##000000	13.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD23E

Deuteranopia (green-blind)

#DEC95D

Tritanopia (blue-blind)

#7CDCC6

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #81e451;
/* rgb */ color: rgb(129, 228, 81);
/* oklch */ color: oklch(82.9% 0.205 137.0);

Tailwind

colors: {
  custom: {
    50: '#aced88',
    500: '#81e451',
    950: '#000000',
  },
}

SCSS

$custom: #81e451;
$custom-light: #aced88;
$custom-dark: #000000;

JSON

{
  "hex": "#81e451",
  "rgb": {
    "r": 129,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 100.408,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.82869,
    "c": 0.20494,
    "h": 137
  },
  "luminance": 0.60748
}

Semantic roles & 50–950 ramp

primary

#81E451

secondary

#8035A4

accent

#10D595

background

#FDFFFC

surface

#F8FEF4

border

#D1D6CE

text

#11160C

muted

#81857F

Preview Lab

Preview with #81E451

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

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