#51DE99#51DE99

#51DE99 is a light, vivid teal. Relative luminance 0.563; OKLCH L 80.7% C 0.157 H 158.3°. Best body text is #000000 at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#51DE99
RGB	rgb(81, 222, 153)
HSL	hsl(151, 68%, 59%)
HSV	hsv(151, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 31.1%, 12.9%)
CIE-LAB	lab(79.78, -53.56, 22.93)
CIE-LCH	lch(79.78, 58.27, 156.82°)
OKLab	oklab(80.71% -0.1459 0.0581)
OKLCH	oklch(80.71% 0.157 158.3)
XYZ	xyz(35.2611, 56.2881, 39.1372)
Luminance	0.5629 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE99 #DE5196

analogous

#51DE53 #51DE99 #51DDDE

triadic

#51DE99 #9951DE #DE9951

tetradic

#51DE99 #5351DE #DE5196 #DDDE51

square

#51DE99 #5351DE #DE5196 #DDDE51

split-complementary

#51DE99 #DE51DD #DE5351

monochromatic

#1D985C #27CB7B #51DE99 #84E8B7 #B8F2D5

Accessibility & contrast

On white

1.71

#51DE99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.26

#51DE99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE99

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE99	#FFFFFF	#000000	##000000
##51DE99	1.00	1.71	12.26	12.26
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.26	21.00	1.00	1.00
##000000	12.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCE95

Deuteranopia (green-blind)

#C9C09D

Tritanopia (blue-blind)

#00DDCC

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51de99;
/* rgb */ color: rgb(81, 222, 153);
/* oklch */ color: oklch(80.7% 0.157 158.3);

Tailwind

colors: {
  custom: {
    50: '#90e9b7',
    500: '#51de99',
    950: '#000000',
  },
}

SCSS

$custom: #51de99;
$custom-light: #90e9b7;
$custom-dark: #000000;

JSON

{
  "hex": "#51de99",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 153
  },
  "hsl": {
    "h": 150.638,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80707,
    "c": 0.157,
    "h": 158.3
  },
  "luminance": 0.56292
}

Semantic roles & 50–950 ramp

primary

#51DE99

secondary

#9C3769

accent

#3D92EB

background

#FCFEFD

surface

#F5FDF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51DE99

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

Preview Lab → · Contrast checker → · Palette generator →