#51DA99#51DA99

#51DA99 is a light, vivid teal. Relative luminance 0.542; OKLCH L 79.7% C 0.152 H 159.2°. Best body text is #000000 at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#51DA99
RGB	rgb(81, 218, 153)
HSL	hsl(152, 65%, 59%)
HSV	hsv(152, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 29.8%, 14.5%)
CIE-LAB	lab(78.57, -51.97, 21.28)
CIE-LCH	lch(78.57, 56.15, 157.73°)
OKLab	oklab(79.72% -0.1418 0.054)
OKLCH	oklch(79.72% 0.152 159.2)
XYZ	xyz(34.2113, 54.1885, 38.7873)
Luminance	0.5419 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA99 #DA5192

analogous

#51DA54 #51DA99 #51D6DA

triadic

#51DA99 #9951DA #DA9951

tetradic

#51DA99 #5451DA #DA5192 #D6DA51

square

#51DA99 #5451DA #DA5192 #D6DA51

split-complementary

#51DA99 #DA51D6 #DA5451

monochromatic

#1F925B #2AC47B #51DA99 #83E5B7 #B6EFD4

Accessibility & contrast

On white

1.77

#51DA99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.84

#51DA99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA99

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA99	#FFFFFF	#000000	##000000
##51DA99	1.00	1.77	11.84	11.84
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.84	21.00	1.00	1.00
##000000	11.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8CA95

Deuteranopia (green-blind)

#C5BD9D

Tritanopia (blue-blind)

#00D9C9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51da99;
/* rgb */ color: rgb(81, 218, 153);
/* oklch */ color: oklch(79.7% 0.152 159.2);

Tailwind

colors: {
  custom: {
    50: '#8fe6b7',
    500: '#51da99',
    950: '#000000',
  },
}

SCSS

$custom: #51da99;
$custom-light: #8fe6b7;
$custom-dark: #000000;

JSON

{
  "hex": "#51da99",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 153
  },
  "hsl": {
    "h": 151.533,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79718,
    "c": 0.15173,
    "h": 159.2
  },
  "luminance": 0.54192
}

Semantic roles & 50–950 ramp

primary

#51DA99

secondary

#973965

accent

#4090E8

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51DA99

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

Preview Lab → · Contrast checker → · Palette generator →