#51C779#51C779

#51C779 is a light, vivid green. Relative luminance 0.440; OKLCH L 74.3% C 0.155 H 151.8°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#51C779
RGB	rgb(81, 199, 121)
HSL	hsl(140, 51%, 55%)
HSV	hsv(140, 59%, 78%)
CMYK	cmyk(59.3%, 0%, 39.2%, 22%)
CIE-LAB	lab(72.21, -50.46, 29.40)
CIE-LCH	lch(72.21, 58.40, 149.78°)
OKLab	oklab(74.31% -0.1366 0.0732)
OKLCH	oklch(74.31% 0.155 151.8)
XYZ	xyz(27.2659, 43.9740, 25.1364)
Luminance	0.4398 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C779 #C7519F

analogous

#64C751 #51C779 #51C7B4

triadic

#51C779 #7951C7 #C77951

tetradic

#51C779 #5164C7 #C7519F #C7B451

square

#51C779 #5164C7 #C7519F #C7B451

split-complementary

#51C779 #B451C7 #C75164

monochromatic

#267742 #35A65B #51C779 #7FD69D #AEE5C0

Accessibility & contrast

On white

2.14

#51C779 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#51C779 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C779

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C779	#FFFFFF	#000000	##000000
##51C779	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B874

Deuteranopia (green-blind)

#B8AD7E

Tritanopia (blue-blind)

#2CC4B3

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51c779;
/* rgb */ color: rgb(81, 199, 121);
/* oklch */ color: oklch(74.3% 0.155 151.8);

Tailwind

colors: {
  custom: {
    50: '#8cd9a0',
    500: '#51c779',
    950: '#000000',
  },
}

SCSS

$custom: #51c779;
$custom-light: #8cd9a0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c779",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 121
  },
  "hsl": {
    "h": 140.339,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.74312,
    "c": 0.15495,
    "h": 151.8
  },
  "luminance": 0.43977
}

Semantic roles & 50–950 ramp

primary

#51C779

secondary

#D3A1C2

accent

#4DABDB

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D150F

muted

#7E837E

Preview Lab

Preview with #51C779

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

Preview Lab → · Contrast checker → · Palette generator →