#51F1BB#51F1BB

#51F1BB is a very light, vivid teal. Relative luminance 0.682; OKLCH L 86.1% C 0.154 H 166.4°. Best body text is #000000 at 14.65:1 contrast (WCAG AA passes).

Color values

HEX#51F1BB
RGBrgb(81, 241, 187)
HSLhsl(160, 85%, 63%)
HSVhsv(160, 66%, 95%)
CMYKcmyk(66.4%, 0%, 22.4%, 5.5%)
CIE-LABlab(86.13, -53.96, 14.08)
CIE-LCHlch(86.13, 55.77, 165.38°)
OKLaboklab(86.14% -0.1494 0.036)
OKLCHoklch(86.14% 0.154 166.4)
XYZxyz(43.8135, 68.2429, 57.8672)
Luminance0.6825 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51F1BB #F15187
analogous
#51F16B #51F1BB #51D7F1
triadic
#51F1BB #BB51F1 #F1BB51
tetradic
#51F1BB #6B51F1 #F15187 #D7F151
square
#51F1BB #6B51F1 #F15187 #D7F151
split-complementary
#51F1BB #F151D7 #F16B51
monochromatic
#0FB97F #18ECA5 #51F1BB #8AF6D1 #C2FAE7

Accessibility & contrast

On white

1.43
#51F1BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.65
#51F1BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F1BB
14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51F1BB#FFFFFF#000000##000000
##51F1BB1.001.4314.6514.65
#FFFFFF1.431.0021.0021.00
#00000014.6521.001.001.00
##00000014.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#ECE1B8
Deuteranopia (green-blind)
#D6D1BF
Tritanopia (blue-blind)
#00F2E2
Achromatopsia (no color)
#D7D7D7

Design tokens & code

CSS
--color: #51f1bb;
/* rgb */ color: rgb(81, 241, 187);
/* oklch */ color: oklch(86.1% 0.154 166.4);
Tailwind
colors: {
  custom: {
    50: '#94f6cf',
    500: '#51f1bb',
    950: '#000000',
  },
}
SCSS
$custom: #51f1bb;
$custom-light: #94f6cf;
$custom-dark: #000000;
JSON
{
  "hex": "#51f1bb",
  "rgb": {
    "r": 81,
    "g": 241,
    "b": 187
  },
  "hsl": {
    "h": 159.75,
    "s": 85.106,
    "l": 63.137
  },
  "oklch": {
    "l": 0.86137,
    "c": 0.15373,
    "h": 166.4
  },
  "luminance": 0.68248
}

Semantic roles & 50–950 ramp

primary
#51F1BB
secondary
#B82F5D
accent
#044FE2
background
#FCFFFE
surface
#F5FFFB
border
#CFD7D4
text
#0F1713
muted
#808583

Preview Lab

Preview with #51F1BB

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

Preview Lab → · Contrast checker → · Palette generator →

#51F1BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva