#51DA4D#51DA4D

#51DA4D is a light, highly saturated green. Relative luminance 0.524; OKLCH L 78.5% C 0.217 H 142.8°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#51DA4D
RGB	rgb(81, 218, 77)
HSL	hsl(118, 66%, 58%)
HSV	hsv(118, 65%, 85%)
CMYK	cmyk(62.8%, 0%, 64.7%, 14.5%)
CIE-LAB	lab(77.53, -63.48, 56.68)
CIE-LCH	lch(77.53, 85.11, 138.24°)
OKLab	oklab(78.53% -0.1726 0.1312)
OKLCH	oklch(78.53% 0.217 142.8)
XYZ	xyz(29.8026, 52.4250, 15.5682)
Luminance	0.5243 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA4D #D64DDA

analogous

#97DA4D #51DA4D #4DDA8F

triadic

#51DA4D #4D51DA #DA4D51

tetradic

#51DA4D #4D97DA #D64DDA #DA8F4D

square

#51DA4D #4D97DA #D64DDA #DA8F4D

split-complementary

#51DA4D #8F4DDA #DA4D97

monochromatic

#218F1E #2DC228 #51DA4D #83E580 #B4EFB2

Accessibility & contrast

On white

1.83

#51DA4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.49

#51DA4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA4D

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA4D	#FFFFFF	#000000	##000000
##51DA4D	1.00	1.83	11.49	11.49
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.49	21.00	1.00	1.00
##000000	11.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC73B

Deuteranopia (green-blind)

#CEBB59

Tritanopia (blue-blind)

#35D4BD

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51da4d;
/* rgb */ color: rgb(81, 218, 77);
/* oklch */ color: oklch(78.5% 0.217 142.8);

Tailwind

colors: {
  custom: {
    50: '#91e785',
    500: '#51da4d',
    950: '#000000',
  },
}

SCSS

$custom: #51da4d;
$custom-light: #91e785;
$custom-dark: #000000;

JSON

{
  "hex": "#51da4d",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 77
  },
  "hsl": {
    "h": 118.298,
    "s": 65.581,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78526,
    "c": 0.21682,
    "h": 142.8
  },
  "luminance": 0.52428
}

Semantic roles & 50–950 ramp

primary

#51DA4D

secondary

#923794

accent

#3FE9E4

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DA4D

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

Preview Lab → · Contrast checker → · Palette generator →