#51DDD3#51DDD3

#51DDD3 is a very light, vivid teal. Relative luminance 0.582; OKLCH L 82.0% C 0.120 H 188.4°. Best body text is #000000 at 12.63:1 contrast (WCAG AA passes).

Color values

HEX#51DDD3
RGBrgb(81, 221, 211)
HSLhsl(176, 67%, 59%)
HSVhsv(176, 63%, 87%)
CMYKcmyk(63.3%, 0%, 4.5%, 13.3%)
CIE-LABlab(80.83, -39.56, -6.23)
CIE-LCHlch(80.83, 40.05, 188.94°)
OKLaboklab(82.01% -0.1187 -0.0175)
OKLCHoklch(82.01% 0.12 188.4)
XYZxyz(41.0023, 58.1609, 70.6807)
Luminance0.5817 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DDD3 #DD515B
analogous
#51DD8D #51DDD3 #51A1DD
triadic
#51DDD3 #D351DD #DDD351
tetradic
#51DDD3 #8D51DD #DD515B #A1DD51
square
#51DDD3 #8D51DD #DD515B #A1DD51
split-complementary
#51DDD3 #DD51A1 #DD8D51
monochromatic
#1D968E #27C9BE #51DDD3 #84E7E0 #B7F1ED

Accessibility & contrast

On white

1.66
#51DDD3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.63
#51DDD3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDD3
12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DDD3#FFFFFF#000000##000000
##51DDD31.001.6612.6312.63
#FFFFFF1.661.0021.0021.00
#00000012.6321.001.001.00
##00000012.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1D2D3
Deuteranopia (green-blind)
#BCC2D4
Tritanopia (blue-blind)
#00E2DA
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #51ddd3;
/* rgb */ color: rgb(81, 221, 211);
/* oklch */ color: oklch(82.0% 0.120 188.4);
Tailwind
colors: {
  custom: {
    50: '#92e8e0',
    500: '#51ddd3',
    950: '#000000',
  },
}
SCSS
$custom: #51ddd3;
$custom-light: #92e8e0;
$custom-dark: #000000;
JSON
{
  "hex": "#51ddd3",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 211
  },
  "hsl": {
    "h": 175.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.8201,
    "c": 0.12002,
    "h": 188.4
  },
  "luminance": 0.58165
}

Semantic roles & 50–950 ramp

primary
#51DDD3
secondary
#9B383F
accent
#3E4AEA
background
#FCFEFE
surface
#F5FDFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #51DDD3

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

Preview Lab → · Contrast checker → · Palette generator →

#51DDD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva