#81AC4E#81AC4E

#81AC4E is a light, vivid yellow-green. Relative luminance 0.347; OKLCH L 69.2% C 0.133 H 129.7°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#81AC4E
RGB	rgb(129, 172, 78)
HSL	hsl(87, 38%, 49%)
HSV	hsv(87, 55%, 67%)
CMYK	cmyk(25%, 0%, 54.7%, 32.5%)
CIE-LAB	lab(65.53, -30.30, 43.16)
CIE-LCH	lch(65.53, 52.73, 125.07°)
OKLab	oklab(69.25% -0.0847 0.1019)
OKLCH	oklch(69.25% 0.133 129.7)
XYZ	xyz(25.1807, 34.7217, 12.5815)
Luminance	0.3472 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AC4E #794EAC

analogous

#ACA84E #81AC4E #52AC4E

triadic

#81AC4E #4E81AC #AC4E81

tetradic

#81AC4E #4EACA8 #794EAC #AC4E52

square

#81AC4E #4EACA8 #794EAC #AC4E52

split-complementary

#81AC4E #4E52AC #A84EAC

monochromatic

#425828 #61823B #81AC4E #9FC176 #BCD4A0

Accessibility & contrast

On white

2.64

#81AC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#81AC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AC4E

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AC4E	#FFFFFF	#000000	##000000
##81AC4E	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A145

Deuteranopia (green-blind)

#AD9E54

Tritanopia (blue-blind)

#84A597

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #81ac4e;
/* rgb */ color: rgb(129, 172, 78);
/* oklch */ color: oklch(69.2% 0.133 129.7);

Tailwind

colors: {
  custom: {
    50: '#a8c582',
    500: '#81ac4e',
    950: '#000000',
  },
}

SCSS

$custom: #81ac4e;
$custom-light: #a8c582;
$custom-dark: #000000;

JSON

{
  "hex": "#81ac4e",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 78
  },
  "hsl": {
    "h": 87.447,
    "s": 37.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.69245,
    "c": 0.13251,
    "h": 129.7
  },
  "luminance": 0.34722
}

Semantic roles & 50–950 ramp

primary

#81AC4E

secondary

#A995C1

accent

#5ACE8F

background

#FAFCF8

surface

#F4F8EF

border

#CED1CA

text

#10120B

muted

#7F817C

Preview Lab

Preview with #81AC4E

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

Preview Lab → · Contrast checker → · Palette generator →