#51CB99#51CB99

#51CB99 is a light, vivid teal. Relative luminance 0.468; OKLCH L 76.0% C 0.132 H 163.1°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#51CB99
RGB	rgb(81, 203, 153)
HSL	hsl(155, 54%, 56%)
HSV	hsv(155, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 24.6%, 20.4%)
CIE-LAB	lab(74.03, -45.78, 14.98)
CIE-LCH	lch(74.03, 48.17, 161.88°)
OKLab	oklab(76% -0.1262 0.0383)
OKLCH	oklch(76% 0.132 163.1)
XYZ	xyz(30.4961, 46.7581, 37.5489)
Luminance	0.4676 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB99 #CB5183

analogous

#51CB5C #51CB99 #51C0CB

triadic

#51CB99 #9951CB #CB9951

tetradic

#51CB99 #5C51CB #CB5183 #C0CB51

square

#51CB99 #5C51CB #CB5183 #C0CB51

split-complementary

#51CB99 #CB51C0 #CB5C51

monochromatic

#257C59 #33AC7A #51CB99 #80D9B5 #AFE7D0

Accessibility & contrast

On white

2.03

#51CB99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.35

#51CB99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB99

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB99	#FFFFFF	#000000	##000000
##51CB99	1.00	2.03	10.35	10.35
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.35	21.00	1.00	1.00
##000000	10.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8BD96

Deuteranopia (green-blind)

#B7B19C

Tritanopia (blue-blind)

#02CBBD

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cb99;
/* rgb */ color: rgb(81, 203, 153);
/* oklch */ color: oklch(76.0% 0.132 163.1);

Tailwind

colors: {
  custom: {
    50: '#8ddbb7',
    500: '#51cb99',
    950: '#000000',
  },
}

SCSS

$custom: #51cb99;
$custom-light: #8ddbb7;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb99",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 153
  },
  "hsl": {
    "h": 155.41,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76004,
    "c": 0.13185,
    "h": 163.1
  },
  "luminance": 0.46761
}

Semantic roles & 50–950 ramp

primary

#51CB99

secondary

#D5A3B7

accent

#4A87DD

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #51CB99

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

Preview Lab → · Contrast checker → · Palette generator →