#51CD99#51CD99

#51CD99 is a light, vivid teal. Relative luminance 0.477; OKLCH L 76.5% C 0.135 H 162.5°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#51CD99
RGB	rgb(81, 205, 153)
HSL	hsl(155, 55%, 56%)
HSV	hsv(155, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 25.4%, 19.6%)
CIE-LAB	lab(74.64, -46.63, 15.83)
CIE-LCH	lch(74.64, 49.24, 161.25°)
OKLab	oklab(76.5% -0.1283 0.0404)
OKLCH	oklch(76.5% 0.135 162.5)
XYZ	xyz(30.9714, 47.7088, 37.7073)
Luminance	0.4771 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD99 #CD5185

analogous

#51CD5B #51CD99 #51C3CD

triadic

#51CD99 #9951CD #CD9951

tetradic

#51CD99 #5B51CD #CD5185 #C3CD51

square

#51CD99 #5B51CD #CD5185 #C3CD51

split-complementary

#51CD99 #CD51C3 #CD5B51

monochromatic

#257F59 #32AF7A #51CD99 #81DBB5 #B0E8D1

Accessibility & contrast

On white

1.99

#51CD99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#51CD99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD99

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD99	#FFFFFF	#000000	##000000
##51CD99	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CABF96

Deuteranopia (green-blind)

#B9B39C

Tritanopia (blue-blind)

#00CDBF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51cd99;
/* rgb */ color: rgb(81, 205, 153);
/* oklch */ color: oklch(76.5% 0.135 162.5);

Tailwind

colors: {
  custom: {
    50: '#8dddb7',
    500: '#51cd99',
    950: '#000000',
  },
}

SCSS

$custom: #51cd99;
$custom-light: #8dddb7;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd99",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 153
  },
  "hsl": {
    "h": 154.839,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.765,
    "c": 0.13451,
    "h": 162.5
  },
  "luminance": 0.47712
}

Semantic roles & 50–950 ramp

primary

#51CD99

secondary

#D7A3B9

accent

#4988DF

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #51CD99

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

Preview Lab → · Contrast checker → · Palette generator →