#51DDD1#51DDD1

#51DDD1 is a light, vivid teal. Relative luminance 0.581; OKLCH L 81.9% C 0.121 H 187.1°. Best body text is #000000 at 12.61:1 contrast (WCAG AA passes).

Color values

HEX#51DDD1
RGBrgb(81, 221, 209)
HSLhsl(175, 67%, 59%)
HSVhsv(175, 63%, 87%)
CMYKcmyk(63.3%, 0%, 5.4%, 13.3%)
CIE-LABlab(80.77, -40.09, -5.24)
CIE-LCHlch(80.77, 40.43, 187.45°)
OKLaboklab(81.95% -0.1196 -0.0148)
OKLCHoklch(81.95% 0.121 187.1)
XYZxyz(40.7532, 58.0612, 69.3684)
Luminance0.5807 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DDD1 #DD515D
analogous
#51DD8B #51DDD1 #51A3DD
triadic
#51DDD1 #D151DD #DDD151
tetradic
#51DDD1 #8B51DD #DD515D #A3DD51
square
#51DDD1 #8B51DD #DD515D #A3DD51
split-complementary
#51DDD1 #DD51A3 #DD8B51
monochromatic
#1D968C #27C9BC #51DDD1 #84E7DF #B7F1EC

Accessibility & contrast

On white

1.66
#51DDD1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.61
#51DDD1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDD1
12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DDD1#FFFFFF#000000##000000
##51DDD11.001.6612.6112.61
#FFFFFF1.661.0021.0021.00
#00000012.6121.001.001.00
##00000012.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2D2D1
Deuteranopia (green-blind)
#BDC2D2
Tritanopia (blue-blind)
#00E2D9
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #51ddd1;
/* rgb */ color: rgb(81, 221, 209);
/* oklch */ color: oklch(81.9% 0.121 187.1);
Tailwind
colors: {
  custom: {
    50: '#92e8df',
    500: '#51ddd1',
    950: '#000000',
  },
}
SCSS
$custom: #51ddd1;
$custom-light: #92e8df;
$custom-dark: #000000;
JSON
{
  "hex": "#51ddd1",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 209
  },
  "hsl": {
    "h": 174.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81947,
    "c": 0.12052,
    "h": 187.1
  },
  "luminance": 0.58066
}

Semantic roles & 50–950 ramp

primary
#51DDD1
secondary
#9B3840
accent
#3E4CEA
background
#FCFEFE
surface
#F5FDFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #51DDD1

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

Preview Lab → · Contrast checker → · Palette generator →

#51DDD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva