#51D4E7#51D4E7

#51D4E7 is a light, moderate teal. Relative luminance 0.546; OKLCH L 80.6% C 0.115 H 208.6°. Best body text is #000000 at 11.92:1 contrast (WCAG AA passes).

Color values

HEX#51D4E7
RGBrgb(81, 212, 231)
HSLhsl(188, 76%, 61%)
HSVhsv(188, 65%, 91%)
CMYKcmyk(64.9%, 8.2%, 0%, 9.4%)
CIE-LABlab(78.81, -29.79, -19.92)
CIE-LCHlch(78.81, 35.84, 213.77°)
OKLaboklab(80.58% -0.1013 -0.0553)
OKLCHoklch(80.58% 0.115 208.6)
XYZxyz(41.3545, 54.6013, 83.9454)
Luminance0.5461 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D4E7 #E76451
analogous
#51E7AF #51D4E7 #5189E7
triadic
#51D4E7 #E751D4 #D4E751
tetradic
#51D4E7 #AF51E7 #E76451 #89E751
square
#51D4E7 #AF51E7 #E76451 #89E751
split-complementary
#51D4E7 #E75189 #E7AF51
monochromatic
#1794A7 #1EC4DC #51D4E7 #87E1EE #BDEFF6

Accessibility & contrast

On white

1.76
#51D4E7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.92
#51D4E7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4E7
11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D4E7#FFFFFF#000000##000000
##51D4E71.001.7611.9211.92
#FFFFFF1.761.0021.0021.00
#00000011.9221.001.001.00
##00000011.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2CCE8
Deuteranopia (green-blind)
#ACBCE7
Tritanopia (blue-blind)
#00DDDA
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #51d4e7;
/* rgb */ color: rgb(81, 212, 231);
/* oklch */ color: oklch(80.6% 0.115 208.6);
Tailwind
colors: {
  custom: {
    50: '#93e1ee',
    500: '#51d4e7',
    950: '#000000',
  },
}
SCSS
$custom: #51d4e7;
$custom-light: #93e1ee;
$custom-dark: #000000;
JSON
{
  "hex": "#51d4e7",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 231
  },
  "hsl": {
    "h": 187.6,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.80579,
    "c": 0.11546,
    "h": 208.6
  },
  "luminance": 0.54606
}

Semantic roles & 50–950 ramp

primary
#51D4E7
secondary
#A84334
accent
#270ED8
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0E1516
muted
#7F8485

Preview Lab

Preview with #51D4E7

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

Preview Lab → · Contrast checker → · Palette generator →

#51D4E7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva