#51DE4E#51DE4E

#51DE4E is a light, highly saturated green. Relative luminance 0.545; OKLCH L 79.6% C 0.221 H 142.9°. Best body text is #000000 at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#51DE4E
RGB	rgb(81, 222, 78)
HSL	hsl(119, 69%, 59%)
HSV	hsv(119, 65%, 87%)
CMYK	cmyk(63.5%, 0%, 64.9%, 12.9%)
CIE-LAB	lab(78.77, -64.75, 57.63)
CIE-LCH	lch(78.77, 86.69, 138.33°)
OKLab	oklab(79.55% -0.176 0.1333)
OKLCH	oklch(79.55% 0.221 142.9)
XYZ	xyz(30.8880, 54.5389, 16.1055)
Luminance	0.5454 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE4E #DB4EDE

analogous

#99DE4E #51DE4E #4EDE93

triadic

#51DE4E #4E51DE #DE4E51

tetradic

#51DE4E #4E99DE #DB4EDE #DE934E

square

#51DE4E #4E99DE #DB4EDE #DE934E

split-complementary

#51DE4E #934EDE #DE4E99

monochromatic

#1E961C #29C926 #51DE4E #84E882 #B6F1B5

Accessibility & contrast

On white

1.76

#51DE4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.91

#51DE4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE4E

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE4E	#FFFFFF	#000000	##000000
##51DE4E	1.00	1.76	11.91	11.91
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.91	21.00	1.00	1.00
##000000	11.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CA3C

Deuteranopia (green-blind)

#D2BE5B

Tritanopia (blue-blind)

#33D8C0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51de4e;
/* rgb */ color: rgb(81, 222, 78);
/* oklch */ color: oklch(79.6% 0.221 142.9);

Tailwind

colors: {
  custom: {
    50: '#92e986',
    500: '#51de4e',
    950: '#000000',
  },
}

SCSS

$custom: #51de4e;
$custom-light: #92e986;
$custom-dark: #000000;

JSON

{
  "hex": "#51de4e",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 78
  },
  "hsl": {
    "h": 118.75,
    "s": 68.571,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79554,
    "c": 0.2208,
    "h": 142.9
  },
  "luminance": 0.54542
}

Semantic roles & 50–950 ramp

primary

#51DE4E

secondary

#98369A

accent

#3CEBE8

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DE4E

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

Preview Lab → · Contrast checker → · Palette generator →