#81B123#81B123

#81B123 is a light, vivid yellow-green. Relative luminance 0.362; OKLCH L 70.1% C 0.170 H 127.4°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#81B123
RGB	rgb(129, 177, 35)
HSL	hsl(80, 67%, 42%)
HSV	hsv(80, 80%, 69%)
CMYK	cmyk(27.1%, 0%, 80.2%, 30.6%)
CIE-LAB	lab(66.70, -35.76, 61.47)
CIE-LCH	lch(66.70, 71.12, 120.18°)
OKLab	oklab(70.08% -0.1032 0.1349)
OKLCH	oklch(70.08% 0.17 127.4)
XYZ	xyz(25.0789, 36.2322, 7.2620)
Luminance	0.3623 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B123 #5323B1

analogous

#B19A23 #81B123 #3AB123

triadic

#81B123 #2381B1 #B12381

tetradic

#81B123 #23B19A #5323B1 #B1233A

square

#81B123 #23B19A #5323B1 #B1233A

split-complementary

#81B123 #233AB1 #9A23B1

monochromatic

#374B0F #5C7E19 #81B123 #A2D839 #BAE26C

Accessibility & contrast

On white

2.55

#81B123 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#81B123 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B123

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B123	#FFFFFF	#000000	##000000
##81B123	1.00	2.55	8.25	8.25
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#B4A133

Tritanopia (blue-blind)

#86A997

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #81b123;
/* rgb */ color: rgb(129, 177, 35);
/* oklch */ color: oklch(70.1% 0.170 127.4);

Tailwind

colors: {
  custom: {
    50: '#aac86b',
    500: '#81b123',
    950: '#000000',
  },
}

SCSS

$custom: #81b123;
$custom-light: #aac86b;
$custom-dark: #000000;

JSON

{
  "hex": "#81b123",
  "rgb": {
    "r": 129,
    "g": 177,
    "b": 35
  },
  "hsl": {
    "h": 80.282,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.70084,
    "c": 0.16987,
    "h": 127.4
  },
  "luminance": 0.36233
}

Semantic roles & 50–950 ramp

primary

#81B123

secondary

#8868C8

accent

#3EEA78

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101307

muted

#7F827A

Preview Lab

Preview with #81B123

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

Preview Lab → · Contrast checker → · Palette generator →