#51CC99#51CC99

#51CC99 is a light, vivid teal. Relative luminance 0.472; OKLCH L 76.3% C 0.133 H 162.8°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#51CC99
RGB	rgb(81, 204, 153)
HSL	hsl(155, 55%, 56%)
HSV	hsv(155, 60%, 80%)
CMYK	cmyk(60.3%, 0%, 25%, 20%)
CIE-LAB	lab(74.34, -46.20, 15.40)
CIE-LCH	lch(74.34, 48.70, 161.56°)
OKLab	oklab(76.25% -0.1272 0.0394)
OKLCH	oklch(76.25% 0.133 162.8)
XYZ	xyz(30.7330, 47.2319, 37.6279)
Luminance	0.4723 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CC99 #CC5184

analogous

#51CC5B #51CC99 #51C1CC

triadic

#51CC99 #9951CC #CC9951

tetradic

#51CC99 #5B51CC #CC5184 #C1CC51

square

#51CC99 #5B51CC #CC5184 #C1CC51

split-complementary

#51CC99 #CC51C1 #CC5B51

monochromatic

#257E59 #33AD7A #51CC99 #80DAB5 #B0E8D0

Accessibility & contrast

On white

2.01

#51CC99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.45

#51CC99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC99

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CC99	#FFFFFF	#000000	##000000
##51CC99	1.00	2.01	10.45	10.45
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.45	21.00	1.00	1.00
##000000	10.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9BE96

Deuteranopia (green-blind)

#B8B29C

Tritanopia (blue-blind)

#00CCBE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51cc99;
/* rgb */ color: rgb(81, 204, 153);
/* oklch */ color: oklch(76.3% 0.133 162.8);

Tailwind

colors: {
  custom: {
    50: '#8ddcb7',
    500: '#51cc99',
    950: '#000000',
  },
}

SCSS

$custom: #51cc99;
$custom-light: #8ddcb7;
$custom-dark: #000000;

JSON

{
  "hex": "#51cc99",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 153
  },
  "hsl": {
    "h": 155.122,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76252,
    "c": 0.13318,
    "h": 162.8
  },
  "luminance": 0.47235
}

Semantic roles & 50–950 ramp

primary

#51CC99

secondary

#D6A3B8

accent

#4A87DE

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #51CC99

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

Preview Lab → · Contrast checker → · Palette generator →