#51BF53#51BF53

#51BF53 is a light, vivid green. Relative luminance 0.396; OKLCH L 71.7% C 0.179 H 143.7°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#51BF53
RGB	rgb(81, 191, 83)
HSL	hsl(121, 46%, 53%)
HSV	hsv(121, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 56.5%, 25.1%)
CIE-LAB	lab(69.21, -53.08, 44.57)
CIE-LCH	lch(69.21, 69.31, 139.98°)
OKLab	oklab(71.67% -0.1441 0.1058)
OKLCH	oklch(71.67% 0.179 143.7)
XYZ	xyz(23.5842, 39.6334, 14.5891)
Luminance	0.3963 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF53 #BF51BD

analogous

#86BF51 #51BF53 #51BF8A

triadic

#51BF53 #5351BF #BF5351

tetradic

#51BF53 #5186BF #BF51BD #BF8A51

square

#51BF53 #5186BF #BF51BD #BF8A51

split-complementary

#51BF53 #8A51BF #BF5186

monochromatic

#286D29 #399A3A #51BF53 #7ECF7F #AAE0AB

Accessibility & contrast

On white

2.35

#51BF53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#51BF53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF53

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF53	#FFFFFF	#000000	##000000
##51BF53	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AF48

Deuteranopia (green-blind)

#B4A55B

Tritanopia (blue-blind)

#3EBAA7

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51bf53;
/* rgb */ color: rgb(81, 191, 83);
/* oklch */ color: oklch(71.7% 0.179 143.7);

Tailwind

colors: {
  custom: {
    50: '#8cd386',
    500: '#51bf53',
    950: '#000000',
  },
}

SCSS

$custom: #51bf53;
$custom-light: #8cd386;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf53",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 83
  },
  "hsl": {
    "h": 121.091,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71672,
    "c": 0.1788,
    "h": 143.7
  },
  "luminance": 0.39635
}

Semantic roles & 50–950 ramp

primary

#51BF53

secondary

#CE9ECD

accent

#52D3D6

background

#F9FDF8

surface

#F1FAF0

border

#CBD3CB

text

#0D140B

muted

#7E837C

Preview Lab

Preview with #51BF53

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

Preview Lab → · Contrast checker → · Palette generator →