#51D2E6#51D2E6

#51D2E6 is a light, moderate teal. Relative luminance 0.536; OKLCH L 80.1% C 0.115 H 209.5°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX#51D2E6
RGBrgb(81, 210, 230)
HSLhsl(188, 75%, 61%)
HSVhsv(188, 65%, 90%)
CMYKcmyk(64.8%, 8.7%, 0%, 9.8%)
CIE-LABlab(78.20, -29.11, -20.31)
CIE-LCHlch(78.20, 35.50, 214.91°)
OKLaboklab(80.08% -0.0997 -0.0564)
OKLCHoklch(80.08% 0.115 209.5)
XYZxyz(40.7168, 53.5512, 83.0381)
Luminance0.5356 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D2E6 #E66551
analogous
#51E6AF #51D2E6 #5187E6
triadic
#51D2E6 #E651D2 #D2E651
tetradic
#51D2E6 #AF51E6 #E66551 #87E651
square
#51D2E6 #AF51E6 #E66551 #87E651
split-complementary
#51D2E6 #E65187 #E6AF51
monochromatic
#1892A5 #1FC1DA #51D2E6 #87E0EE #BCEEF5

Accessibility & contrast

On white

1.79
#51D2E6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.71
#51D2E6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2E6
11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D2E6#FFFFFF#000000##000000
##51D2E61.001.7911.7111.71
#FFFFFF1.791.0021.0021.00
#00000011.7121.001.001.00
##00000011.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0CBE7
Deuteranopia (green-blind)
#AABBE6
Tritanopia (blue-blind)
#00DBD8
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51d2e6;
/* rgb */ color: rgb(81, 210, 230);
/* oklch */ color: oklch(80.1% 0.115 209.5);
Tailwind
colors: {
  custom: {
    50: '#92e0ee',
    500: '#51d2e6',
    950: '#000000',
  },
}
SCSS
$custom: #51d2e6;
$custom-light: #92e0ee;
$custom-dark: #000000;
JSON
{
  "hex": "#51d2e6",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 230
  },
  "hsl": {
    "h": 188.054,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.80076,
    "c": 0.11458,
    "h": 209.5
  },
  "luminance": 0.53556
}

Semantic roles & 50–950 ramp

primary
#51D2E6
secondary
#A74434
accent
#290ED7
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0E1516
muted
#7F8485

Preview Lab

Preview with #51D2E6

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

Preview Lab → · Contrast checker → · Palette generator →

#51D2E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva