#51D9DA#51D9DA

#51D9DA is a light, moderate teal. Relative luminance 0.564; OKLCH L 81.3% C 0.116 H 195.8°. Best body text is #000000 at 12.29:1 contrast (WCAG AA passes).

Color values

HEX#51D9DA
RGBrgb(81, 217, 218)
HSLhsl(180, 65%, 59%)
HSVhsv(180, 63%, 85%)
CMYKcmyk(62.8%, 0.5%, 0%, 14.5%)
CIE-LABlab(79.86, -35.84, -11.40)
CIE-LCHlch(79.86, 37.61, 197.64°)
OKLaboklab(81.29% -0.1117 -0.0316)
OKLCHoklch(81.29% 0.116 195.8)
XYZxyz(40.8555, 56.4325, 75.0555)
Luminance0.5644 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D9DA #DA5251
analogous
#51DA96 #51D9DA #5194DA
triadic
#51D9DA #DA51D9 #D9DA51
tetradic
#51D9DA #9651DA #DA5251 #94DA51
square
#51D9DA #9651DA #DA5251 #94DA51
split-complementary
#51D9DA #DA5194 #DA9651
monochromatic
#1F9192 #2AC3C4 #51D9DA #83E4E5 #B6EFEF

Accessibility & contrast

On white

1.71
#51D9DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.29
#51D9DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9DA
12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D9DA#FFFFFF#000000##000000
##51D9DA1.001.7112.2912.29
#FFFFFF1.711.0021.0021.00
#00000012.2921.001.001.00
##00000012.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBCFDA
Deuteranopia (green-blind)
#B6BFDB
Tritanopia (blue-blind)
#00E0D9
Achromatopsia (no color)
#C6C6C6

Design tokens & code

CSS
--color: #51d9da;
/* rgb */ color: rgb(81, 217, 218);
/* oklch */ color: oklch(81.3% 0.116 195.8);
Tailwind
colors: {
  custom: {
    50: '#92e5e5',
    500: '#51d9da',
    950: '#000000',
  },
}
SCSS
$custom: #51d9da;
$custom-light: #92e5e5;
$custom-dark: #000000;
JSON
{
  "hex": "#51d9da",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 218
  },
  "hsl": {
    "h": 180.438,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.81292,
    "c": 0.1161,
    "h": 195.8
  },
  "luminance": 0.56437
}

Semantic roles & 50–950 ramp

primary
#51D9DA
secondary
#973939
accent
#4140E8
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #51D9DA

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

Preview Lab → · Contrast checker → · Palette generator →

#51D9DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva