#51C8D6#51C8D6

#51C8D6 is a light, moderate teal. Relative luminance 0.479; OKLCH L 77.1% C 0.107 H 206.0°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX#51C8D6
RGBrgb(81, 200, 214)
HSLhsl(186, 62%, 58%)
HSVhsv(186, 62%, 84%)
CMYKcmyk(62.1%, 6.5%, 0%, 16.1%)
CIE-LABlab(74.77, -28.87, -16.89)
CIE-LCHlch(74.77, 33.45, 210.33°)
OKLaboklab(77.14% -0.096 -0.0468)
OKLCHoklch(77.14% 0.107 206)
XYZxyz(36.1801, 47.9091, 70.9459)
Luminance0.4791 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C8D6 #D65F51
analogous
#51D6A2 #51C8D6 #5185D6
triadic
#51C8D6 #D651C8 #C8D651
tetradic
#51C8D6 #A251D6 #D65F51 #85D651
square
#51C8D6 #A251D6 #D65F51 #85D651
split-complementary
#51C8D6 #D65185 #D6A251
monochromatic
#21808C #2DAEBD #51C8D6 #83D8E2 #B4E7ED

Accessibility & contrast

On white

1.98
#51C8D6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.58
#51C8D6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8D6
10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C8D6#FFFFFF#000000##000000
##51C8D61.001.9810.5810.58
#FFFFFF1.981.0021.0021.00
#00000010.5821.001.001.00
##00000010.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9C1D7
Deuteranopia (green-blind)
#A5B2D6
Tritanopia (blue-blind)
#00D0CC
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #51c8d6;
/* rgb */ color: rgb(81, 200, 214);
/* oklch */ color: oklch(77.1% 0.107 206.0);
Tailwind
colors: {
  custom: {
    50: '#90d9e2',
    500: '#51c8d6',
    950: '#000000',
  },
}
SCSS
$custom: #51c8d6;
$custom-light: #90d9e2;
$custom-dark: #000000;
JSON
{
  "hex": "#51c8d6",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 214
  },
  "hsl": {
    "h": 186.316,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.77138,
    "c": 0.1068,
    "h": 206
  },
  "luminance": 0.47913
}

Semantic roles & 50–950 ramp

primary
#51C8D6
secondary
#DCACA7
accent
#5443E5
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0E1415
muted
#7E8383

Preview Lab

Preview with #51C8D6

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

Preview Lab → · Contrast checker → · Palette generator →

#51C8D6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva