#51D7DF#51D7DF

#51D7DF is a light, moderate teal. Relative luminance 0.557; OKLCH L 81.0% C 0.115 H 200.8°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX#51D7DF
RGBrgb(81, 215, 223)
HSLhsl(183, 69%, 60%)
HSVhsv(183, 64%, 87%)
CMYKcmyk(63.7%, 3.6%, 0%, 12.5%)
CIE-LABlab(79.43, -33.51, -14.72)
CIE-LCHlch(79.43, 36.60, 203.71°)
OKLaboklab(80.99% -0.1076 -0.0408)
OKLCHoklch(80.99% 0.115 200.8)
XYZxyz(41.0073, 55.6734, 78.3826)
Luminance0.5568 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D7DF #DF5951
analogous
#51DFA0 #51D7DF #5190DF
triadic
#51D7DF #DF51D7 #D7DF51
tetradic
#51D7DF #A051DF #DF5951 #90DF51
square
#51D7DF #A051DF #DF5951 #90DF51
split-complementary
#51D7DF #DF5190 #DFA051
monochromatic
#1C9299 #26C4CD #51D7DF #85E3E9 #B8EFF2

Accessibility & contrast

On white

1.73
#51D7DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.14
#51D7DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7DF
12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D7DF#FFFFFF#000000##000000
##51D7DF1.001.7312.1412.14
#FFFFFF1.731.0021.0021.00
#00000012.1421.001.001.00
##00000012.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8CEE0
Deuteranopia (green-blind)
#B2BEE0
Tritanopia (blue-blind)
#00DFD9
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #51d7df;
/* rgb */ color: rgb(81, 215, 223);
/* oklch */ color: oklch(81.0% 0.115 200.8);
Tailwind
colors: {
  custom: {
    50: '#92e3e9',
    500: '#51d7df',
    950: '#000000',
  },
}
SCSS
$custom: #51d7df;
$custom-light: #92e3e9;
$custom-dark: #000000;
JSON
{
  "hex": "#51d7df",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 223
  },
  "hsl": {
    "h": 183.38,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.80993,
    "c": 0.11507,
    "h": 200.8
  },
  "luminance": 0.55678
}

Semantic roles & 50–950 ramp

primary
#51D7DF
secondary
#9D3D37
accent
#463CEC
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1516
muted
#7F8484

Preview Lab

Preview with #51D7DF

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

Preview Lab → · Contrast checker → · Palette generator →

#51D7DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva