#51BF99#51BF99

#51BF99 is a light, moderate teal. Relative luminance 0.413; OKLCH L 73.0% C 0.116 H 167.5°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX#51BF99
RGBrgb(81, 191, 153)
HSLhsl(159, 46%, 53%)
HSVhsv(159, 58%, 75%)
CMYKcmyk(57.6%, 0%, 19.9%, 25.1%)
CIE-LABlab(70.39, -40.59, 9.84)
CIE-LCHlch(70.39, 41.77, 166.38°)
OKLaboklab(73.03% -0.1132 0.0252)
OKLCHoklch(73.03% 0.116 167.5)
XYZxyz(27.7711, 41.3082, 36.6406)
Luminance0.4131 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BF99 #BF5177
analogous
#51BF62 #51BF99 #51AEBF
triadic
#51BF99 #9951BF #BF9951
tetradic
#51BF99 #6251BF #BF5177 #AEBF51
square
#51BF99 #6251BF #BF5177 #AEBF51
split-complementary
#51BF99 #BF51AE #BF6251
monochromatic
#286D55 #399A78 #51BF99 #7ECFB3 #AAE0CD

Accessibility & contrast

On white

2.27
#51BF99 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.26
#51BF99 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF99
9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BF99#FFFFFF#000000##000000
##51BF991.002.279.269.26
#FFFFFF2.271.0021.0021.00
#0000009.2621.001.001.00
##0000009.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBB397
Deuteranopia (green-blind)
#ABA79B
Tritanopia (blue-blind)
#13C0B4
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #51bf99;
/* rgb */ color: rgb(81, 191, 153);
/* oklch */ color: oklch(73.0% 0.116 167.5);
Tailwind
colors: {
  custom: {
    50: '#8bd3b7',
    500: '#51bf99',
    950: '#000000',
  },
}
SCSS
$custom: #51bf99;
$custom-light: #8bd3b7;
$custom-dark: #000000;
JSON
{
  "hex": "#51bf99",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 153
  },
  "hsl": {
    "h": 159.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.7303,
    "c": 0.11602,
    "h": 167.5
  },
  "luminance": 0.41311
}

Semantic roles & 50–950 ramp

primary
#51BF99
secondary
#CE9EAF
accent
#5280D6
background
#F9FDFB
surface
#F1FAF6
border
#CBD3D0
text
#0D1411
muted
#7E8380

Preview Lab

Preview with #51BF99

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

Preview Lab → · Contrast checker → · Palette generator →

#51BF99 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva