#81CA3B#81CA3B

#81CA3B is a light, vivid yellow-green. Relative luminance 0.472; OKLCH L 76.3% C 0.187 H 132.9°. Best body text is #000000 at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#81CA3B
RGB	rgb(129, 202, 59)
HSL	hsl(91, 57%, 51%)
HSV	hsv(91, 71%, 79%)
CMYK	cmyk(36.1%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(74.33, -45.33, 60.88)
CIE-LCH	lch(74.33, 75.90, 126.67°)
OKLab	oklab(76.35% -0.1274 0.1373)
OKLCH	oklch(76.35% 0.187 132.9)
XYZ	xyz(30.9628, 47.2226, 11.6203)
Luminance	0.4722 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CA3B #843BCA

analogous

#C9CA3B #81CA3B #3BCA3C

triadic

#81CA3B #3B81CA #CA3B81

tetradic

#81CA3B #3BC9CA #843BCA #CA3C3B

square

#81CA3B #3BC9CA #843BCA #CA3C3B

split-complementary

#81CA3B #3C3BCA #CA3BC9

monochromatic

#446D1E #639D2B #81CA3B #A0D76B #BFE49B

Accessibility & contrast

On white

2.01

#81CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.44

#81CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CA3B

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CA3B	#FFFFFF	#000000	##000000
##81CA3B	1.00	2.01	10.44	10.44
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.44	21.00	1.00	1.00
##000000	10.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BA23

Deuteranopia (green-blind)

#C8B548

Tritanopia (blue-blind)

#82C2AE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #81ca3b;
/* rgb */ color: rgb(129, 202, 59);
/* oklch */ color: oklch(76.3% 0.187 132.9);

Tailwind

colors: {
  custom: {
    50: '#abda79',
    500: '#81ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #81ca3b;
$custom-light: #abda79;
$custom-dark: #000000;

JSON

{
  "hex": "#81ca3b",
  "rgb": {
    "r": 129,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 90.629,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.76347,
    "c": 0.18734,
    "h": 132.9
  },
  "luminance": 0.47224
}

Semantic roles & 50–950 ramp

primary

#81CA3B

secondary

#B191D0

accent

#47E196

background

#FAFDF7

surface

#F5FBEE

border

#CFD4C9

text

#11150A

muted

#80837C

Preview Lab

Preview with #81CA3B

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

Preview Lab → · Contrast checker → · Palette generator →