#51C8D7#51C8D7

#51C8D7 is a light, moderate teal. Relative luminance 0.480; OKLCH L 77.2% C 0.107 H 206.8°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX#51C8D7
RGBrgb(81, 200, 215)
HSLhsl(187, 63%, 58%)
HSVhsv(187, 62%, 84%)
CMYKcmyk(62.3%, 7%, 0%, 15.7%)
CIE-LABlab(74.80, -28.59, -17.38)
CIE-LCHlch(74.80, 33.46, 211.31°)
OKLaboklab(77.18% -0.0956 -0.0482)
OKLCHoklch(77.18% 0.107 206.8)
XYZxyz(36.3082, 47.9603, 71.6206)
Luminance0.4796 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C8D7 #D76051
analogous
#51D7A3 #51C8D7 #5185D7
triadic
#51C8D7 #D751C8 #C8D751
tetradic
#51C8D7 #A351D7 #D76051 #85D751
square
#51C8D7 #A351D7 #D76051 #85D751
split-complementary
#51C8D7 #D75185 #D7A351
monochromatic
#20818D #2CAEBF #51C8D7 #83D8E2 #B5E7EE

Accessibility & contrast

On white

1.98
#51C8D7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.59
#51C8D7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8D7
10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C8D7#FFFFFF#000000##000000
##51C8D71.001.9810.5910.59
#FFFFFF1.981.0021.0021.00
#00000010.5921.001.001.00
##00000010.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8C1D8
Deuteranopia (green-blind)
#A4B2D7
Tritanopia (blue-blind)
#00D0CC
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #51c8d7;
/* rgb */ color: rgb(81, 200, 215);
/* oklch */ color: oklch(77.2% 0.107 206.8);
Tailwind
colors: {
  custom: {
    50: '#90d9e3',
    500: '#51c8d7',
    950: '#000000',
  },
}
SCSS
$custom: #51c8d7;
$custom-light: #90d9e3;
$custom-dark: #000000;
JSON
{
  "hex": "#51c8d7",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 215
  },
  "hsl": {
    "h": 186.716,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.77175,
    "c": 0.10705,
    "h": 206.8
  },
  "luminance": 0.47964
}

Semantic roles & 50–950 ramp

primary
#51C8D7
secondary
#DDADA7
accent
#5442E6
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0E1415
muted
#7E8383

Preview Lab

Preview with #51C8D7

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

Preview Lab → · Contrast checker → · Palette generator →

#51C8D7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva