#51CE78#51CE78

#51CE78 is a light, vivid green. Relative luminance 0.472; OKLCH L 76.1% C 0.165 H 150.7°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#51CE78
RGB	rgb(81, 206, 120)
HSL	hsl(139, 56%, 56%)
HSV	hsv(139, 61%, 81%)
CMYK	cmyk(60.7%, 0%, 41.7%, 19.2%)
CIE-LAB	lab(74.35, -53.39, 32.71)
CIE-LCH	lch(74.35, 62.61, 148.51°)
OKLab	oklab(76.06% -0.1443 0.0809)
OKLCH	oklch(76.06% 0.165 150.7)
XYZ	xyz(28.8526, 47.2452, 25.3644)
Luminance	0.4725 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CE78 #CE51A7

analogous

#69CE51 #51CE78 #51CEB7

triadic

#51CE78 #7851CE #CE7851

tetradic

#51CE78 #5169CE #CE51A7 #CEB751

square

#51CE78 #5169CE #CE51A7 #CEB751

split-complementary

#51CE78 #B751CE #CE5169

monochromatic

#248041 #32B059 #51CE78 #81DB9D #B1E9C2

Accessibility & contrast

On white

2.01

#51CE78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#51CE78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CE78

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CE78	#FFFFFF	#000000	##000000
##51CE78	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBE72

Deuteranopia (green-blind)

#BFB27E

Tritanopia (blue-blind)

#29CBB9

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51ce78;
/* rgb */ color: rgb(81, 206, 120);
/* oklch */ color: oklch(76.1% 0.165 150.7);

Tailwind

colors: {
  custom: {
    50: '#8edea0',
    500: '#51ce78',
    950: '#000000',
  },
}

SCSS

$custom: #51ce78;
$custom-light: #8edea0;
$custom-dark: #000000;

JSON

{
  "hex": "#51ce78",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 120
  },
  "hsl": {
    "h": 138.72,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.76061,
    "c": 0.16544,
    "h": 150.7
  },
  "luminance": 0.47248
}

Semantic roles & 50–950 ramp

primary

#51CE78

secondary

#D7A4C7

accent

#48B0DF

background

#F9FDF9

surface

#F2FBF2

border

#CCD4CC

text

#0D150F

muted

#7E837E

Preview Lab

Preview with #51CE78

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

Preview Lab → · Contrast checker → · Palette generator →