#51E87F#51E87F

#51E87F is a very light, vivid green. Relative luminance 0.610; OKLCH L 82.7% C 0.193 H 149.9°. Best body text is #000000 at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#51E87F
RGB	rgb(81, 232, 127)
HSL	hsl(138, 77%, 61%)
HSV	hsv(138, 65%, 91%)
CMYK	cmyk(65.1%, 0%, 45.3%, 9%)
CIE-LAB	lab(82.37, -62.00, 39.55)
CIE-LCH	lch(82.37, 73.54, 147.47°)
OKLab	oklab(82.7% -0.1672 0.0969)
OKLCH	oklch(82.7% 0.193 149.9)
XYZ	xyz(36.0779, 60.9911, 29.9457)
Luminance	0.6099 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E87F #E851BA

analogous

#6FE851 #51E87F #51E8CB

triadic

#51E87F #7F51E8 #E87F51

tetradic

#51E87F #516FE8 #E851BA #E8CB51

square

#51E87F #516FE8 #E851BA #E8CB51

split-complementary

#51E87F #CB51E8 #E8516F

monochromatic

#16A843 #1DDE58 #51E87F #87EFA7 #BDF6CF

Accessibility & contrast

On white

1.59

#51E87F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.20

#51E87F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E87F

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E87F	#FFFFFF	#000000	##000000
##51E87F	1.00	1.59	13.20	13.20
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.20	21.00	1.00	1.00
##000000	13.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D577

Deuteranopia (green-blind)

#D7C886

Tritanopia (blue-blind)

#0BE4CF

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e87f;
/* rgb */ color: rgb(81, 232, 127);
/* oklch */ color: oklch(82.7% 0.193 149.9);

Tailwind

colors: {
  custom: {
    50: '#92f0a5',
    500: '#51e87f',
    950: '#000000',
  },
}

SCSS

$custom: #51e87f;
$custom-light: #92f0a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51e87f",
  "rgb": {
    "r": 81,
    "g": 232,
    "b": 127
  },
  "hsl": {
    "h": 138.278,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.82703,
    "c": 0.19327,
    "h": 149.9
  },
  "luminance": 0.60995
}

Semantic roles & 50–950 ramp

primary

#51E87F

secondary

#AA3386

accent

#0D9BD9

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E87F

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

Preview Lab → · Contrast checker → · Palette generator →