#51E87B#51E87B

#51E87B is a very light, vivid green. Relative luminance 0.609; OKLCH L 82.6% C 0.197 H 149.1°. Best body text is #000000 at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#51E87B
RGB	rgb(81, 232, 123)
HSL	hsl(137, 77%, 61%)
HSV	hsv(137, 65%, 91%)
CMYK	cmyk(65.1%, 0%, 47%, 9%)
CIE-LAB	lab(82.32, -62.62, 41.43)
CIE-LCH	lch(82.32, 75.09, 146.51°)
OKLab	oklab(82.64% -0.1689 0.1011)
OKLCH	oklch(82.64% 0.197 149.1)
XYZ	xyz(35.8224, 60.8889, 28.5999)
Luminance	0.6089 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E87B #E851BE

analogous

#73E851 #51E87B #51E8C7

triadic

#51E87B #7B51E8 #E87B51

tetradic

#51E87B #5173E8 #E851BE #E8C751

square

#51E87B #5173E8 #E851BE #E8C751

split-complementary

#51E87B #C751E8 #E85173

monochromatic

#16A83F #1DDE53 #51E87B #87EFA4 #BDF6CD

Accessibility & contrast

On white

1.59

#51E87B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.18

#51E87B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E87B

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E87B	#FFFFFF	#000000	##000000
##51E87B	1.00	1.59	13.18	13.18
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.18	21.00	1.00	1.00
##000000	13.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD572

Deuteranopia (green-blind)

#D7C883

Tritanopia (blue-blind)

#12E4CE

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e87b;
/* rgb */ color: rgb(81, 232, 123);
/* oklch */ color: oklch(82.6% 0.197 149.1);

Tailwind

colors: {
  custom: {
    50: '#92f0a3',
    500: '#51e87b',
    950: '#000000',
  },
}

SCSS

$custom: #51e87b;
$custom-light: #92f0a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51e87b",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 123
  },
  "hsl": {
    "h": 136.689,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.8264,
    "c": 0.19681,
    "h": 149.1
  },
  "luminance": 0.60893
}

Semantic roles & 50–950 ramp

primary

#51E87B

secondary

#AA3389

accent

#0DA0D9

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E87B

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

Preview Lab → · Contrast checker → · Palette generator →