#81E545#81E545

#81E545 is a very light, highly saturated yellow-green. Relative luminance 0.611; OKLCH L 83.0% C 0.214 H 136.1°. Best body text is #000000 at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#81E545
RGB	rgb(129, 229, 69)
HSL	hsl(98, 75%, 58%)
HSV	hsv(98, 70%, 90%)
CMYK	cmyk(43.7%, 0%, 69.9%, 10.2%)
CIE-LAB	lab(82.45, -55.54, 65.50)
CIE-LCH	lch(82.45, 85.88, 130.30°)
OKLab	oklab(83.01% -0.1544 0.1484)
OKLCH	oklch(83.01% 0.214 136.1)
XYZ	xyz(38.1457, 61.1331, 15.4190)
Luminance	0.6113 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E545 #A945E5

analogous

#D1E545 #81E545 #45E559

triadic

#81E545 #4581E5 #E54581

tetradic

#81E545 #45D1E5 #A945E5 #E55945

square

#81E545 #45D1E5 #A945E5 #E55945

split-complementary

#81E545 #5945E5 #E545D1

monochromatic

#479A16 #60D01D #81E545 #A5ED7B #CAF4B0

Accessibility & contrast

On white

1.59

#81E545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.23

#81E545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E545

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E545	#FFFFFF	#000000	##000000
##81E545	1.00	1.59	13.23	13.23
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.23	21.00	1.00	1.00
##000000	13.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD22B

Deuteranopia (green-blind)

#DFCA54

Tritanopia (blue-blind)

#7DDDC5

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #81e545;
/* rgb */ color: rgb(129, 229, 69);
/* oklch */ color: oklch(83.0% 0.214 136.1);

Tailwind

colors: {
  custom: {
    50: '#adee81',
    500: '#81e545',
    950: '#000000',
  },
}

SCSS

$custom: #81e545;
$custom-light: #adee81;
$custom-dark: #000000;

JSON

{
  "hex": "#81e545",
  "rgb": {
    "r": 129,
    "g": 229,
    "b": 69
  },
  "hsl": {
    "h": 97.5,
    "s": 75.472,
    "l": 58.431
  },
  "oklch": {
    "l": 0.83012,
    "c": 0.21413,
    "h": 136.1
  },
  "luminance": 0.61135
}

Semantic roles & 50–950 ramp

primary

#81E545

secondary

#75319E

accent

#36F2AB

background

#FDFFFB

surface

#F8FEF2

border

#D1D6CC

text

#11160B

muted

#81857E

Preview Lab

Preview with #81E545

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

Preview Lab → · Contrast checker → · Palette generator →