#51DDEB#51DDEB

#51DDEB is a very light, moderate teal. Relative luminance 0.595; OKLCH L 82.8% C 0.120 H 204.6°. Best body text is #000000 at 12.89:1 contrast (WCAG AA passes).

Color values

HEX#51DDEB
RGBrgb(81, 221, 235)
HSLhsl(185, 79%, 62%)
HSVhsv(185, 66%, 92%)
CMYKcmyk(65.5%, 6%, 0%, 7.8%)
CIE-LABlab(81.54, -32.95, -17.93)
CIE-LCHlch(81.54, 37.51, 208.55°)
OKLaboklab(82.82% -0.1087 -0.0497)
OKLCHoklch(82.82% 0.12 204.6)
XYZxyz(44.2387, 59.4555, 87.7257)
Luminance0.5946 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DDEB #EB5F51
analogous
#51EBAC #51DDEB #5190EB
triadic
#51DDEB #EB51DD #DDEB51
tetradic
#51DDEB #AC51EB #EB5F51 #90EB51
square
#51DDEB #AC51EB #EB5F51 #90EB51
split-complementary
#51DDEB #EB5190 #EBAC51
monochromatic
#14A0AE #1AD2E5 #51DDEB #88E8F1 #BFF2F8

Accessibility & contrast

On white

1.63
#51DDEB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.89
#51DDEB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDEB
12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DDEB#FFFFFF#000000##000000
##51DDEB1.001.6312.8912.89
#FFFFFF1.631.0021.0021.00
#00000012.8921.001.001.00
##00000012.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCD4EC
Deuteranopia (green-blind)
#B5C3EC
Tritanopia (blue-blind)
#00E6E1
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #51ddeb;
/* rgb */ color: rgb(81, 221, 235);
/* oklch */ color: oklch(82.8% 0.120 204.6);
Tailwind
colors: {
  custom: {
    50: '#94e8f1',
    500: '#51ddeb',
    950: '#000000',
  },
}
SCSS
$custom: #51ddeb;
$custom-light: #94e8f1;
$custom-dark: #000000;
JSON
{
  "hex": "#51ddeb",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 235
  },
  "hsl": {
    "h": 185.455,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.82824,
    "c": 0.11953,
    "h": 204.6
  },
  "luminance": 0.5946
}

Semantic roles & 50–950 ramp

primary
#51DDEB
secondary
#AE3D32
accent
#1D0ADC
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1616
muted
#808485

Preview Lab

Preview with #51DDEB

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

Preview Lab → · Contrast checker → · Palette generator →

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