#51D3DE#51D3DE

#51D3DE is a light, moderate teal. Relative luminance 0.536; OKLCH L 80.0% C 0.113 H 203.1°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX#51D3DE
RGBrgb(81, 211, 222)
HSLhsl(185, 68%, 59%)
HSVhsv(185, 64%, 87%)
CMYKcmyk(63.5%, 5%, 0%, 12.9%)
CIE-LABlab(78.23, -31.90, -15.98)
CIE-LCHlch(78.23, 35.67, 206.61°)
OKLaboklab(80.02% -0.104 -0.0443)
OKLCHoklch(80.02% 0.113 203.1)
XYZxyz(39.8668, 53.6074, 77.3393)
Luminance0.5361 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D3DE #DE5C51
analogous
#51DEA3 #51D3DE #518DDE
triadic
#51D3DE #DE51D3 #D3DE51
tetradic
#51D3DE #A351DE #DE5C51 #8DDE51
square
#51D3DE #A351DE #DE5C51 #8DDE51
split-complementary
#51D3DE #DE518D #DEA351
monochromatic
#1D8E98 #27BECB #51D3DE #84E0E8 #B8EDF2

Accessibility & contrast

On white

1.79
#51D3DE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.72
#51D3DE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3DE
11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D3DE#FFFFFF#000000##000000
##51D3DE1.001.7911.7211.72
#FFFFFF1.791.0021.0021.00
#00000011.7221.001.001.00
##00000011.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3CBDF
Deuteranopia (green-blind)
#AEBBDF
Tritanopia (blue-blind)
#00DBD6
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51d3de;
/* rgb */ color: rgb(81, 211, 222);
/* oklch */ color: oklch(80.0% 0.113 203.1);
Tailwind
colors: {
  custom: {
    50: '#92e1e8',
    500: '#51d3de',
    950: '#000000',
  },
}
SCSS
$custom: #51d3de;
$custom-light: #92e1e8;
$custom-dark: #000000;
JSON
{
  "hex": "#51d3de",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 222
  },
  "hsl": {
    "h": 184.681,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80017,
    "c": 0.11301,
    "h": 203.1
  },
  "luminance": 0.53612
}

Semantic roles & 50–950 ramp

primary
#51D3DE
secondary
#9C3F37
accent
#4A3DEB
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1516
muted
#7F8484

Preview Lab

Preview with #51D3DE

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

Preview Lab → · Contrast checker → · Palette generator →

#51D3DE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva