#81DF3B#81DF3B

#81DF3B is a light, highly saturated yellow-green. Relative luminance 0.578; OKLCH L 81.5% C 0.213 H 135.0°. Best body text is #000000 at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#81DF3B
RGB	rgb(129, 223, 59)
HSL	hsl(94, 72%, 55%)
HSV	hsv(94, 74%, 87%)
CMYK	cmyk(42.2%, 0%, 73.5%, 12.5%)
CIE-LAB	lab(80.60, -53.86, 67.13)
CIE-LCH	lch(80.60, 86.07, 128.74°)
OKLab	oklab(81.48% -0.1505 0.1504)
OKLCH	oklch(81.48% 0.213 135)
XYZ	xyz(36.2296, 57.7562, 13.3759)
Luminance	0.5776 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DF3B #993BDF

analogous

#D3DF3B #81DF3B #3BDF47

triadic

#81DF3B #3B81DF #DF3B81

tetradic

#81DF3B #3BD3DF #993BDF #DF473B

square

#81DF3B #3BD3DF #993BDF #DF473B

split-complementary

#81DF3B #473BDF #DF3BD3

monochromatic

#478916 #63BE1F #81DF3B #A3E870 #C5F0A4

Accessibility & contrast

On white

1.67

#81DF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.55

#81DF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DF3B

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DF3B	#FFFFFF	#000000	##000000
##81DF3B	1.00	1.67	12.55	12.55
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.55	21.00	1.00	1.00
##000000	12.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD19

Deuteranopia (green-blind)

#DBC54C

Tritanopia (blue-blind)

#7FD7C0

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #81df3b;
/* rgb */ color: rgb(129, 223, 59);
/* oklch */ color: oklch(81.5% 0.213 135.0);

Tailwind

colors: {
  custom: {
    50: '#ade97c',
    500: '#81df3b',
    950: '#000000',
  },
}

SCSS

$custom: #81df3b;
$custom-light: #ade97c;
$custom-dark: #000000;

JSON

{
  "hex": "#81df3b",
  "rgb": {
    "r": 129,
    "g": 223,
    "b": 59
  },
  "hsl": {
    "h": 94.39,
    "s": 71.93,
    "l": 55.294
  },
  "oklch": {
    "l": 0.81477,
    "c": 0.2128,
    "h": 135
  },
  "luminance": 0.57758
}

Semantic roles & 50–950 ramp

primary

#81DF3B

secondary

#662F8F

accent

#39EFA1

background

#FDFEFB

surface

#F8FDF2

border

#D1D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #81DF3B

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

Preview Lab → · Contrast checker → · Palette generator →