#51DD4E#51DD4E

#51DD4E is a light, highly saturated green. Relative luminance 0.540; OKLCH L 79.3% C 0.220 H 142.9°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#51DD4E
RGB	rgb(81, 221, 78)
HSL	hsl(119, 68%, 59%)
HSV	hsv(119, 65%, 87%)
CMYK	cmyk(63.3%, 0%, 64.7%, 13.3%)
CIE-LAB	lab(78.47, -64.41, 57.30)
CIE-LCH	lch(78.47, 86.21, 138.35°)
OKLab	oklab(79.3% -0.1751 0.1326)
OKLCH	oklch(79.3% 0.22 142.9)
XYZ	xyz(30.6232, 54.0092, 16.0173)
Luminance	0.5401 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD4E #DA4EDD

analogous

#98DD4E #51DD4E #4EDD92

triadic

#51DD4E #4E51DD #DD4E51

tetradic

#51DD4E #4E98DD #DA4EDD #DD924E

square

#51DD4E #4E98DD #DA4EDD #DD924E

split-complementary

#51DD4E #924EDD #DD4E98

monochromatic

#1F941C #2AC726 #51DD4E #83E781 #B6F1B5

Accessibility & contrast

On white

1.78

#51DD4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#51DD4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD4E

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD4E	#FFFFFF	#000000	##000000
##51DD4E	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C93C

Deuteranopia (green-blind)

#D1BE5B

Tritanopia (blue-blind)

#34D7BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dd4e;
/* rgb */ color: rgb(81, 221, 78);
/* oklch */ color: oklch(79.3% 0.220 142.9);

Tailwind

colors: {
  custom: {
    50: '#92e985',
    500: '#51dd4e',
    950: '#000000',
  },
}

SCSS

$custom: #51dd4e;
$custom-light: #92e985;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd4e",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 78
  },
  "hsl": {
    "h": 118.741,
    "s": 67.773,
    "l": 58.627
  },
  "oklch": {
    "l": 0.793,
    "c": 0.21963,
    "h": 142.9
  },
  "luminance": 0.54012
}

Semantic roles & 50–950 ramp

primary

#51DD4E

secondary

#973699

accent

#3DEBE7

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DD4E

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

Preview Lab → · Contrast checker → · Palette generator →