#81AC2F#81AC2F

#81AC2F is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 68.9% C 0.157 H 126.9°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#81AC2F
RGB	rgb(129, 172, 47)
HSL	hsl(81, 57%, 43%)
HSV	hsv(81, 73%, 67%)
CMYK	cmyk(25%, 0%, 72.7%, 32.5%)
CIE-LAB	lab(65.26, -32.84, 56.19)
CIE-LCH	lch(65.26, 65.08, 120.30°)
OKLab	oklab(68.94% -0.0943 0.1257)
OKLCH	oklch(68.94% 0.157 126.9)
XYZ	xyz(24.3189, 34.3770, 8.0429)
Luminance	0.3438 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AC2F #5A2FAC

analogous

#AC982F #81AC2F #42AC2F

triadic

#81AC2F #2F81AC #AC2F81

tetradic

#81AC2F #2FAC98 #5A2FAC #AC2F42

square

#81AC2F #2FAC98 #5A2FAC #AC2F42

split-complementary

#81AC2F #2F42AC #982FAC

monochromatic

#394C15 #5D7C22 #81AC2F #A1CE4B #BADB7B

Accessibility & contrast

On white

2.67

#81AC2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#81AC2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AC2F

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AC2F	#FFFFFF	#000000	##000000
##81AC2F	1.00	2.67	7.88	7.88
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A018

Deuteranopia (green-blind)

#AF9E3A

Tritanopia (blue-blind)

#86A494

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #81ac2f;
/* rgb */ color: rgb(129, 172, 47);
/* oklch */ color: oklch(68.9% 0.157 126.9);

Tailwind

colors: {
  custom: {
    50: '#a9c570',
    500: '#81ac2f',
    950: '#000000',
  },
}

SCSS

$custom: #81ac2f;
$custom-light: #a9c570;
$custom-dark: #000000;

JSON

{
  "hex": "#81ac2f",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 47
  },
  "hsl": {
    "h": 80.64,
    "s": 57.078,
    "l": 42.941
  },
  "oklch": {
    "l": 0.68938,
    "c": 0.15719,
    "h": 126.9
  },
  "luminance": 0.34377
}

Semantic roles & 50–950 ramp

primary

#81AC2F

secondary

#8F74C3

accent

#47E07C

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101208

muted

#7F817B

Preview Lab

Preview with #81AC2F

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

Preview Lab → · Contrast checker → · Palette generator →