#81B223#81B223

#81B223 is a light, vivid yellow-green. Relative luminance 0.366; OKLCH L 70.3% C 0.171 H 127.6°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#81B223
RGB	rgb(129, 178, 35)
HSL	hsl(81, 67%, 42%)
HSV	hsv(81, 80%, 70%)
CMYK	cmyk(27.5%, 0%, 80.3%, 30.2%)
CIE-LAB	lab(67.00, -36.21, 61.75)
CIE-LCH	lch(67.00, 71.58, 120.39°)
OKLab	oklab(70.33% -0.1044 0.1355)
OKLCH	oklch(70.33% 0.171 127.6)
XYZ	xyz(25.2771, 36.6287, 7.3281)
Luminance	0.3663 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B223 #5423B2

analogous

#B29B23 #81B223 #3AB223

triadic

#81B223 #2381B2 #B22381

tetradic

#81B223 #23B29B #5423B2 #B2233A

square

#81B223 #23B29B #5423B2 #B2233A

split-complementary

#81B223 #233AB2 #9B23B2

monochromatic

#374C0F #5C7F19 #81B223 #A2D83A #BAE26D

Accessibility & contrast

On white

2.52

#81B223 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#81B223 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B223

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B223	#FFFFFF	#000000	##000000
##81B223	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA500

Deuteranopia (green-blind)

#B5A233

Tritanopia (blue-blind)

#86AA98

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #81b223;
/* rgb */ color: rgb(129, 178, 35);
/* oklch */ color: oklch(70.3% 0.171 127.6);

Tailwind

colors: {
  custom: {
    50: '#aac96b',
    500: '#81b223',
    950: '#000000',
  },
}

SCSS

$custom: #81b223;
$custom-light: #aac96b;
$custom-dark: #000000;

JSON

{
  "hex": "#81b223",
  "rgb": {
    "r": 129,
    "g": 178,
    "b": 35
  },
  "hsl": {
    "h": 80.559,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.70328,
    "c": 0.17107,
    "h": 127.6
  },
  "luminance": 0.36629
}

Semantic roles & 50–950 ramp

primary

#81B223

secondary

#8968C9

accent

#3EEA79

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101307

muted

#7F827A

Preview Lab

Preview with #81B223

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

Preview Lab → · Contrast checker → · Palette generator →