#51C679#51C679

#51C679 is a light, vivid green. Relative luminance 0.435; OKLCH L 74.1% C 0.154 H 152.0°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#51C679
RGB	rgb(81, 198, 121)
HSL	hsl(141, 51%, 55%)
HSV	hsv(141, 59%, 78%)
CMYK	cmyk(59.1%, 0%, 38.9%, 22.4%)
CIE-LAB	lab(71.90, -50.06, 28.99)
CIE-LCH	lch(71.90, 57.85, 149.92°)
OKLab	oklab(74.06% -0.1355 0.0722)
OKLCH	oklch(74.06% 0.154 152)
XYZ	xyz(27.0365, 43.5154, 25.0600)
Luminance	0.4352 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C679 #C6519E

analogous

#64C651 #51C679 #51C6B4

triadic

#51C679 #7951C6 #C67951

tetradic

#51C679 #5164C6 #C6519E #C6B451

square

#51C679 #5164C6 #C6519E #C6B451

split-complementary

#51C679 #B451C6 #C65164

monochromatic

#277642 #36A45B #51C679 #7FD59D #ADE4C0

Accessibility & contrast

On white

2.16

#51C679 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#51C679 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C679

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C679	#FFFFFF	#000000	##000000
##51C679	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B774

Deuteranopia (green-blind)

#B7AC7E

Tritanopia (blue-blind)

#2DC3B3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51c679;
/* rgb */ color: rgb(81, 198, 121);
/* oklch */ color: oklch(74.1% 0.154 152.0);

Tailwind

colors: {
  custom: {
    50: '#8cd8a0',
    500: '#51c679',
    950: '#000000',
  },
}

SCSS

$custom: #51c679;
$custom-light: #8cd8a0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c679",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 121
  },
  "hsl": {
    "h": 140.513,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.7406,
    "c": 0.15357,
    "h": 152
  },
  "luminance": 0.43518
}

Semantic roles & 50–950 ramp

primary

#51C679

secondary

#D2A1C1

accent

#4EAADA

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D150F

muted

#7E837E

Preview Lab

Preview with #51C679

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

Preview Lab → · Contrast checker → · Palette generator →