#51C8D5#51C8D5

#51C8D5 is a light, moderate teal. Relative luminance 0.479; OKLCH L 77.1% C 0.107 H 205.2°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#51C8D5
RGBrgb(81, 200, 213)
HSLhsl(186, 61%, 58%)
HSVhsv(186, 62%, 84%)
CMYKcmyk(62%, 6.1%, 0%, 16.5%)
CIE-LABlab(74.74, -29.16, -16.40)
CIE-LCHlch(74.74, 33.46, 209.35°)
OKLaboklab(77.1% -0.0964 -0.0454)
OKLCHoklch(77.1% 0.107 205.2)
XYZxyz(36.0528, 47.8582, 70.2754)
Luminance0.4786 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C8D5 #D55E51
analogous
#51D5A0 #51C8D5 #5186D5
triadic
#51C8D5 #D551C8 #C8D551
tetradic
#51C8D5 #A051D5 #D55E51 #86D551
square
#51C8D5 #A051D5 #D55E51 #86D551
split-complementary
#51C8D5 #D55186 #D5A051
monochromatic
#21808A #2DAEBC #51C8D5 #82D8E1 #B4E7ED

Accessibility & contrast

On white

1.99
#51C8D5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.57
#51C8D5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8D5
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C8D5#FFFFFF#000000##000000
##51C8D51.001.9910.5710.57
#FFFFFF1.991.0021.0021.00
#00000010.5721.001.001.00
##00000010.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9C0D6
Deuteranopia (green-blind)
#A5B2D5
Tritanopia (blue-blind)
#00D0CC
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #51c8d5;
/* rgb */ color: rgb(81, 200, 213);
/* oklch */ color: oklch(77.1% 0.107 205.2);
Tailwind
colors: {
  custom: {
    50: '#90d9e1',
    500: '#51c8d5',
    950: '#000000',
  },
}
SCSS
$custom: #51c8d5;
$custom-light: #90d9e1;
$custom-dark: #000000;
JSON
{
  "hex": "#51c8d5",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 213
  },
  "hsl": {
    "h": 185.909,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77101,
    "c": 0.10658,
    "h": 205.2
  },
  "luminance": 0.47862
}

Semantic roles & 50–950 ramp

primary
#51C8D5
secondary
#DBACA6
accent
#5344E4
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0E1415
muted
#7E8383

Preview Lab

Preview with #51C8D5

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

Preview Lab → · Contrast checker → · Palette generator →

#51C8D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva