#51E97F#51E97F

#51E97F is a very light, vivid green. Relative luminance 0.616; OKLCH L 83.0% C 0.195 H 149.8°. Best body text is #000000 at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#51E97F
RGB	rgb(81, 233, 127)
HSL	hsl(138, 78%, 62%)
HSV	hsv(138, 65%, 91%)
CMYK	cmyk(65.2%, 0%, 45.5%, 8.6%)
CIE-LAB	lab(82.68, -62.36, 39.93)
CIE-LCH	lch(82.68, 74.05, 147.37°)
OKLab	oklab(82.95% -0.1682 0.0978)
OKLCH	oklch(82.95% 0.195 149.8)
XYZ	xyz(36.3602, 61.5556, 30.0398)
Luminance	0.6156 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E97F #E951BB

analogous

#6FE951 #51E97F #51E9CB

triadic

#51E97F #7F51E9 #E97F51

tetradic

#51E97F #516FE9 #E951BB #E9CB51

square

#51E97F #516FE9 #E951BB #E9CB51

split-complementary

#51E97F #CB51E9 #E9516F

monochromatic

#16AA42 #1CE058 #51E97F #87F0A7 #BEF7CF

Accessibility & contrast

On white

1.58

#51E97F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.31

#51E97F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E97F

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E97F	#FFFFFF	#000000	##000000
##51E97F	1.00	1.58	13.31	13.31
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.31	21.00	1.00	1.00
##000000	13.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD677

Deuteranopia (green-blind)

#D8C986

Tritanopia (blue-blind)

#09E5D0

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e97f;
/* rgb */ color: rgb(81, 233, 127);
/* oklch */ color: oklch(83.0% 0.195 149.8);

Tailwind

colors: {
  custom: {
    50: '#92f1a5',
    500: '#51e97f',
    950: '#000000',
  },
}

SCSS

$custom: #51e97f;
$custom-light: #92f1a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51e97f",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 127
  },
  "hsl": {
    "h": 138.158,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.82953,
    "c": 0.19455,
    "h": 149.8
  },
  "luminance": 0.61559
}

Semantic roles & 50–950 ramp

primary

#51E97F

secondary

#AB3387

accent

#0C9BDA

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E97F

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

Preview Lab → · Contrast checker → · Palette generator →