#51CB91#51CB91

#51CB91 is a light, vivid teal. Relative luminance 0.465; OKLCH L 75.8% C 0.139 H 159.6°. Best body text is #000000 at 10.30:1 contrast (WCAG AA passes).

Color values

HEX#51CB91
RGBrgb(81, 203, 145)
HSLhsl(151, 54%, 56%)
HSVhsv(151, 60%, 80%)
CMYKcmyk(60.1%, 0%, 28.6%, 20.4%)
CIE-LABlab(73.87, -47.48, 19.02)
CIE-LCHlch(73.87, 51.15, 158.17°)
OKLaboklab(75.82% -0.1299 0.0483)
OKLCHoklch(75.82% 0.139 159.6)
XYZxyz(29.8574, 46.5026, 34.1850)
Luminance0.4651 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CB91 #CB518B
analogous
#51CB54 #51CB91 #51C8CB
triadic
#51CB91 #9151CB #CB9151
tetradic
#51CB91 #5451CB #CB518B #C8CB51
square
#51CB91 #5451CB #CB518B #C8CB51
split-complementary
#51CB91 #CB51C8 #CB5451
monochromatic
#257C53 #33AC72 #51CB91 #80D9AF #AFE7CD

Accessibility & contrast

On white

2.04
#51CB91 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.30
#51CB91 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB91
10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CB91#FFFFFF#000000##000000
##51CB911.002.0410.3010.30
#FFFFFF2.041.0021.0021.00
#00000010.3021.001.001.00
##00000010.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C9BD8E
Deuteranopia (green-blind)
#B8B195
Tritanopia (blue-blind)
#14CABB
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #51cb91;
/* rgb */ color: rgb(81, 203, 145);
/* oklch */ color: oklch(75.8% 0.139 159.6);
Tailwind
colors: {
  custom: {
    50: '#8ddcb1',
    500: '#51cb91',
    950: '#000000',
  },
}
SCSS
$custom: #51cb91;
$custom-light: #8ddcb1;
$custom-dark: #000000;
JSON
{
  "hex": "#51cb91",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 145
  },
  "hsl": {
    "h": 151.475,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75816,
    "c": 0.13858,
    "h": 159.6
  },
  "luminance": 0.46506
}

Semantic roles & 50–950 ramp

primary
#51CB91
secondary
#D5A3BB
accent
#4A90DD
background
#F9FDFA
surface
#F1FBF5
border
#CBD4CF
text
#0D1510
muted
#7E837F

Preview Lab

Preview with #51CB91

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

Preview Lab → · Contrast checker → · Palette generator →

#51CB91 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva