#51CF99#51CF99

#51CF99 is a light, vivid teal. Relative luminance 0.487; OKLCH L 77.0% C 0.137 H 161.9°. Best body text is #000000 at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#51CF99
RGB	rgb(81, 207, 153)
HSL	hsl(154, 57%, 56%)
HSV	hsv(154, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 26.1%, 18.8%)
CIE-LAB	lab(75.25, -47.46, 16.67)
CIE-LCH	lch(75.25, 50.31, 160.64°)
OKLab	oklab(77% -0.1304 0.0425)
OKLCH	oklch(77% 0.137 161.9)
XYZ	xyz(31.4529, 48.6717, 37.8678)
Luminance	0.4868 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF99 #CF5187

analogous

#51CF5A #51CF99 #51C6CF

triadic

#51CF99 #9951CF #CF9951

tetradic

#51CF99 #5A51CF #CF5187 #C6CF51

square

#51CF99 #5A51CF #CF5187 #C6CF51

split-complementary

#51CF99 #CF51C6 #CF5A51

monochromatic

#24825A #31B27B #51CF99 #81DCB5 #B1E9D1

Accessibility & contrast

On white

1.96

#51CF99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.74

#51CF99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF99

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF99	#FFFFFF	#000000	##000000
##51CF99	1.00	1.96	10.74	10.74
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.74	21.00	1.00	1.00
##000000	10.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCC196

Deuteranopia (green-blind)

#BBB49C

Tritanopia (blue-blind)

#00CFC0

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51cf99;
/* rgb */ color: rgb(81, 207, 153);
/* oklch */ color: oklch(77.0% 0.137 161.9);

Tailwind

colors: {
  custom: {
    50: '#8edeb7',
    500: '#51cf99',
    950: '#000000',
  },
}

SCSS

$custom: #51cf99;
$custom-light: #8edeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf99",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 153
  },
  "hsl": {
    "h": 154.286,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.76995,
    "c": 0.13715,
    "h": 161.9
  },
  "luminance": 0.48675
}

Semantic roles & 50–950 ramp

primary

#51CF99

secondary

#D8A4BA

accent

#4889E0

background

#F9FDFB

surface

#F2FBF6

border

#CCD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #51CF99

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

Preview Lab → · Contrast checker → · Palette generator →