#51DD5D#51DD5D

#51DD5D is a light, highly saturated green. Relative luminance 0.543; OKLCH L 79.5% C 0.208 H 144.7°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#51DD5D
RGB	rgb(81, 221, 93)
HSL	hsl(125, 67%, 59%)
HSV	hsv(125, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 57.9%, 13.3%)
CIE-LAB	lab(78.61, -62.79, 51.00)
CIE-LCH	lch(78.61, 80.89, 140.91°)
OKLab	oklab(79.46% -0.17 0.1205)
OKLCH	oklch(79.46% 0.208 144.7)
XYZ	xyz(31.2236, 54.2494, 19.1795)
Luminance	0.5425 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD5D #DD51D1

analogous

#8BDD51 #51DD5D #51DDA3

triadic

#51DD5D #5D51DD #DD5D51

tetradic

#51DD5D #518BDD #DD51D1 #DDA351

square

#51DD5D #518BDD #DD51D1 #DDA351

split-complementary

#51DD5D #A351DD #DD518B

monochromatic

#1D9628 #27C935 #51DD5D #84E78D #B7F1BC

Accessibility & contrast

On white

1.77

#51DD5D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#51DD5D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD5D

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD5D	#FFFFFF	#000000	##000000
##51DD5D	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CA50

Deuteranopia (green-blind)

#D0BE67

Tritanopia (blue-blind)

#2FD7C1

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dd5d;
/* rgb */ color: rgb(81, 221, 93);
/* oklch */ color: oklch(79.5% 0.208 144.7);

Tailwind

colors: {
  custom: {
    50: '#91e98f',
    500: '#51dd5d',
    950: '#000000',
  },
}

SCSS

$custom: #51dd5d;
$custom-light: #91e98f;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd5d",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 93
  },
  "hsl": {
    "h": 125.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.7946,
    "c": 0.20841,
    "h": 144.7
  },
  "luminance": 0.54253
}

Semantic roles & 50–950 ramp

primary

#51DD5D

secondary

#9B3892

accent

#3EDBEA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51DD5D

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

Preview Lab → · Contrast checker → · Palette generator →