#51E77F#51E77F

#51E77F is a very light, vivid green. Relative luminance 0.604; OKLCH L 82.5% C 0.192 H 150.0°. Best body text is #000000 at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#51E77F
RGB	rgb(81, 231, 127)
HSL	hsl(138, 76%, 61%)
HSV	hsv(138, 65%, 91%)
CMYK	cmyk(64.9%, 0%, 45%, 9.4%)
CIE-LAB	lab(82.07, -61.64, 39.16)
CIE-LCH	lch(82.07, 73.03, 147.57°)
OKLab	oklab(82.45% -0.1662 0.0961)
OKLCH	oklch(82.45% 0.192 150)
XYZ	xyz(35.7972, 60.4297, 29.8521)
Luminance	0.6043 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E77F #E751B9

analogous

#6EE751 #51E77F #51E7CA

triadic

#51E77F #7F51E7 #E77F51

tetradic

#51E77F #516EE7 #E751B9 #E7CA51

square

#51E77F #516EE7 #E751B9 #E7CA51

split-complementary

#51E77F #CA51E7 #E7516E

monochromatic

#17A743 #1EDC59 #51E77F #87EEA7 #BDF6CE

Accessibility & contrast

On white

1.60

#51E77F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.09

#51E77F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E77F

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E77F	#FFFFFF	#000000	##000000
##51E77F	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)

#E8D477

Deuteranopia (green-blind)

#D6C786

Tritanopia (blue-blind)

#0DE3CE

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e77f;
/* rgb */ color: rgb(81, 231, 127);
/* oklch */ color: oklch(82.5% 0.192 150.0);

Tailwind

colors: {
  custom: {
    50: '#92f0a5',
    500: '#51e77f',
    950: '#000000',
  },
}

SCSS

$custom: #51e77f;
$custom-light: #92f0a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51e77f",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 127
  },
  "hsl": {
    "h": 138.4,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.82454,
    "c": 0.19199,
    "h": 150
  },
  "luminance": 0.60433
}

Semantic roles & 50–950 ramp

primary

#51E77F

secondary

#A83485

accent

#0E9AD8

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E77F

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

Preview Lab → · Contrast checker → · Palette generator →