#51DD99#51DD99

#51DD99 is a light, vivid teal. Relative luminance 0.558; OKLCH L 80.5% C 0.156 H 158.5°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#51DD99
RGB	rgb(81, 221, 153)
HSL	hsl(151, 67%, 59%)
HSV	hsv(151, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 30.8%, 13.3%)
CIE-LAB	lab(79.48, -53.17, 22.52)
CIE-LCH	lch(79.48, 57.74, 157.04°)
OKLab	oklab(80.46% -0.1448 0.0571)
OKLCH	oklch(80.46% 0.156 158.5)
XYZ	xyz(34.9963, 55.7585, 39.0490)
Luminance	0.5576 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD99 #DD5195

analogous

#51DD53 #51DD99 #51DBDD

triadic

#51DD99 #9951DD #DD9951

tetradic

#51DD99 #5351DD #DD5195 #DBDD51

square

#51DD99 #5351DD #DD5195 #DBDD51

split-complementary

#51DD99 #DD51DB #DD5351

monochromatic

#1D965C #27C97B #51DD99 #84E7B7 #B7F1D5

Accessibility & contrast

On white

1.73

#51DD99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#51DD99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD99

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD99	#FFFFFF	#000000	##000000
##51DD99	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBCD95

Deuteranopia (green-blind)

#C8C09D

Tritanopia (blue-blind)

#00DCCB

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51dd99;
/* rgb */ color: rgb(81, 221, 153);
/* oklch */ color: oklch(80.5% 0.156 158.5);

Tailwind

colors: {
  custom: {
    50: '#90e8b7',
    500: '#51dd99',
    950: '#000000',
  },
}

SCSS

$custom: #51dd99;
$custom-light: #90e8b7;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd99",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 153
  },
  "hsl": {
    "h": 150.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.8046,
    "c": 0.15568,
    "h": 158.5
  },
  "luminance": 0.55762
}

Semantic roles & 50–950 ramp

primary

#51DD99

secondary

#9B3868

accent

#3E91EA

background

#FCFEFD

surface

#F5FDF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51DD99

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

Preview Lab → · Contrast checker → · Palette generator →