#51E780#51E780

#51E780 is a very light, vivid green. Relative luminance 0.605; OKLCH L 82.5% C 0.191 H 150.2°. Best body text is #000000 at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#51E780
RGB	rgb(81, 231, 128)
HSL	hsl(139, 76%, 61%)
HSV	hsv(139, 65%, 91%)
CMYK	cmyk(64.9%, 0%, 44.6%, 9.4%)
CIE-LAB	lab(82.09, -61.48, 38.69)
CIE-LCH	lch(82.09, 72.64, 147.82°)
OKLab	oklab(82.47% -0.1658 0.095)
OKLCH	oklch(82.47% 0.191 150.2)
XYZ	xyz(35.8627, 60.4559, 30.1971)
Luminance	0.6046 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E780 #E751B8

analogous

#6DE751 #51E780 #51E7CB

triadic

#51E780 #8051E7 #E78051

tetradic

#51E780 #516DE7 #E751B8 #E7CB51

square

#51E780 #516DE7 #E751B8 #E7CB51

split-complementary

#51E780 #CB51E7 #E7516D

monochromatic

#17A744 #1EDC5A #51E780 #87EEA7 #BDF6CF

Accessibility & contrast

On white

1.60

#51E780 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.09

#51E780 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E780

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E780	#FFFFFF	#000000	##000000
##51E780	1.00	1.60	13.09	13.09
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.09	21.00	1.00	1.00
##000000	13.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D478

Deuteranopia (green-blind)

#D5C787

Tritanopia (blue-blind)

#0BE3CE

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e780;
/* rgb */ color: rgb(81, 231, 128);
/* oklch */ color: oklch(82.5% 0.191 150.2);

Tailwind

colors: {
  custom: {
    50: '#92f0a6',
    500: '#51e780',
    950: '#000000',
  },
}

SCSS

$custom: #51e780;
$custom-light: #92f0a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e780",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 128
  },
  "hsl": {
    "h": 138.8,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.8247,
    "c": 0.1911,
    "h": 150.2
  },
  "luminance": 0.6046
}

Semantic roles & 50–950 ramp

primary

#51E780

secondary

#A83484

accent

#0E99D8

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E780

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

Preview Lab → · Contrast checker → · Palette generator →