#51CBD9#51CBD9

#51CBD9 is a light, moderate teal. Relative luminance 0.495; OKLCH L 78.0% C 0.109 H 205.8°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX#51CBD9
RGBrgb(81, 203, 217)
HSLhsl(186, 64%, 58%)
HSVhsv(186, 63%, 85%)
CMYKcmyk(62.7%, 6.5%, 0%, 14.9%)
CIE-LABlab(75.74, -29.47, -17.04)
CIE-LCHlch(75.74, 34.05, 210.04°)
OKLaboklab(77.95% -0.0979 -0.0472)
OKLCHoklch(77.95% 0.109 205.8)
XYZxyz(37.2684, 49.4670, 73.2162)
Luminance0.4947 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CBD9 #D95F51
analogous
#51D9A3 #51CBD9 #5187D9
triadic
#51CBD9 #D951CB #CBD951
tetradic
#51CBD9 #A351D9 #D95F51 #87D951
square
#51CBD9 #A351D9 #D95F51 #87D951
split-complementary
#51CBD9 #D95187 #D9A351
monochromatic
#1F8590 #2AB3C2 #51CBD9 #83DAE4 #B5E9EF

Accessibility & contrast

On white

1.93
#51CBD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.89
#51CBD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBD9
10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CBD9#FFFFFF#000000##000000
##51CBD91.001.9310.8910.89
#FFFFFF1.931.0021.0021.00
#00000010.8921.001.001.00
##00000010.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBC3DA
Deuteranopia (green-blind)
#A7B4D9
Tritanopia (blue-blind)
#00D3CF
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #51cbd9;
/* rgb */ color: rgb(81, 203, 217);
/* oklch */ color: oklch(78.0% 0.109 205.8);
Tailwind
colors: {
  custom: {
    50: '#91dbe4',
    500: '#51cbd9',
    950: '#000000',
  },
}
SCSS
$custom: #51cbd9;
$custom-light: #91dbe4;
$custom-dark: #000000;
JSON
{
  "hex": "#51cbd9",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 217
  },
  "hsl": {
    "h": 186.176,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.77954,
    "c": 0.10867,
    "h": 205.8
  },
  "luminance": 0.49471
}

Semantic roles & 50–950 ramp

primary
#51CBD9
secondary
#DEADA8
accent
#5241E7
background
#F9FDFD
surface
#F2FBFB
border
#CCD4D4
text
#0E1515
muted
#7E8383

Preview Lab

Preview with #51CBD9

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

Preview Lab → · Contrast checker → · Palette generator →

#51CBD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva