#51D2DF#51D2DF

#51D2DF is a light, moderate teal. Relative luminance 0.532; OKLCH L 79.8% C 0.113 H 204.6°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX#51D2DF
RGBrgb(81, 210, 223)
HSLhsl(185, 69%, 60%)
HSVhsv(185, 64%, 87%)
CMYKcmyk(63.7%, 5.8%, 0%, 12.5%)
CIE-LABlab(77.97, -31.13, -16.90)
CIE-LCHlch(77.97, 35.43, 208.50°)
OKLaboklab(79.82% -0.1025 -0.0469)
OKLCHoklch(79.82% 0.113 204.6)
XYZxyz(39.7535, 53.1659, 77.9647)
Luminance0.5317 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D2DF #DF5E51
analogous
#51DFA5 #51D2DF #518BDF
triadic
#51D2DF #DF51D2 #D2DF51
tetradic
#51D2DF #A551DF #DF5E51 #8BDF51
square
#51D2DF #A551DF #DF5E51 #8BDF51
split-complementary
#51D2DF #DF518B #DFA551
monochromatic
#1C8E99 #26BECD #51D2DF #85DFE9 #B8EDF2

Accessibility & contrast

On white

1.81
#51D2DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.63
#51D2DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2DF
11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D2DF#FFFFFF#000000##000000
##51D2DF1.001.8111.6311.63
#FFFFFF1.811.0021.0021.00
#00000011.6321.001.001.00
##00000011.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2CAE0
Deuteranopia (green-blind)
#ADBADF
Tritanopia (blue-blind)
#00DAD6
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51d2df;
/* rgb */ color: rgb(81, 210, 223);
/* oklch */ color: oklch(79.8% 0.113 204.6);
Tailwind
colors: {
  custom: {
    50: '#92e0e9',
    500: '#51d2df',
    950: '#000000',
  },
}
SCSS
$custom: #51d2df;
$custom-light: #92e0e9;
$custom-dark: #000000;
JSON
{
  "hex": "#51d2df",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 223
  },
  "hsl": {
    "h": 185.493,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.79818,
    "c": 0.11275,
    "h": 204.6
  },
  "luminance": 0.5317
}

Semantic roles & 50–950 ramp

primary
#51D2DF
secondary
#9D4037
accent
#4C3CEC
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1516
muted
#7F8484

Preview Lab

Preview with #51D2DF

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

Preview Lab → · Contrast checker → · Palette generator →

#51D2DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva