#51DD4A#51DD4A

#51DD4A is a light, highly saturated green. Relative luminance 0.540; OKLCH L 79.3% C 0.222 H 142.5°. Best body text is #000000 at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#51DD4A
RGB	rgb(81, 221, 74)
HSL	hsl(117, 68%, 58%)
HSV	hsv(117, 67%, 87%)
CMYK	cmyk(63.3%, 0%, 66.5%, 13.3%)
CIE-LAB	lab(78.43, -64.79, 58.88)
CIE-LCH	lch(78.43, 87.55, 137.74°)
OKLab	oklab(79.26% -0.1763 0.1355)
OKLCH	oklch(79.26% 0.222 142.5)
XYZ	xyz(30.4841, 53.9536, 15.2848)
Luminance	0.5396 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD4A #D64ADD

analogous

#9ADD4A #51DD4A #4ADD8C

triadic

#51DD4A #4A51DD #DD4A51

tetradic

#51DD4A #4A9ADD #D64ADD #DD8C4A

square

#51DD4A #4A9ADD #D64ADD #DD8C4A

split-complementary

#51DD4A #8C4ADD #DD4A9A

monochromatic

#21911B #2DC525 #51DD4A #83E77E #B4F0B1

Accessibility & contrast

On white

1.78

#51DD4A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.79

#51DD4A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD4A

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD4A	#FFFFFF	#000000	##000000
##51DD4A	1.00	1.78	11.79	11.79
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.79	21.00	1.00	1.00
##000000	11.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C936

Deuteranopia (green-blind)

#D1BE57

Tritanopia (blue-blind)

#35D7BF

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dd4a;
/* rgb */ color: rgb(81, 221, 74);
/* oklch */ color: oklch(79.3% 0.222 142.5);

Tailwind

colors: {
  custom: {
    50: '#92e983',
    500: '#51dd4a',
    950: '#000000',
  },
}

SCSS

$custom: #51dd4a;
$custom-light: #92e983;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd4a",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 74
  },
  "hsl": {
    "h": 117.143,
    "s": 68.372,
    "l": 57.843
  },
  "oklch": {
    "l": 0.79262,
    "c": 0.22237,
    "h": 142.5
  },
  "luminance": 0.53957
}

Semantic roles & 50–950 ramp

primary

#51DD4A

secondary

#923596

accent

#3DEBE3

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DD4A

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

Preview Lab → · Contrast checker → · Palette generator →