#51D7CB#51D7CB

#51D7CB is a light, moderate teal. Relative luminance 0.547; OKLCH L 80.3% C 0.117 H 186.8°. Best body text is #000000 at 11.93:1 contrast (WCAG AA passes).

Color values

HEX#51D7CB
RGBrgb(81, 215, 203)
HSLhsl(175, 63%, 58%)
HSVhsv(175, 62%, 84%)
CMYKcmyk(62.3%, 0%, 5.6%, 15.7%)
CIE-LABlab(78.84, -38.96, -4.89)
CIE-LCHlch(78.84, 39.27, 187.15°)
OKLaboklab(80.33% -0.1161 -0.0138)
OKLCHoklch(80.33% 0.117 186.8)
XYZxyz(38.4684, 54.6579, 65.0110)
Luminance0.5466 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D7CB #D7515D
analogous
#51D788 #51D7CB #51A0D7
triadic
#51D7CB #CB51D7 #D7CB51
tetradic
#51D7CB #8851D7 #D7515D #A0D751
square
#51D7CB #8851D7 #D7515D #A0D751
split-complementary
#51D7CB #D751A0 #D78851
monochromatic
#208D83 #2CBFB2 #51D7CB #83E2DA #B5EEE9

Accessibility & contrast

On white

1.76
#51D7CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.93
#51D7CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7CB
11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D7CB#FFFFFF#000000##000000
##51D7CB1.001.7611.9311.93
#FFFFFF1.761.0021.0021.00
#00000011.9321.001.001.00
##00000011.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCCCCB
Deuteranopia (green-blind)
#B8BDCC
Tritanopia (blue-blind)
#00DCD3
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #51d7cb;
/* rgb */ color: rgb(81, 215, 203);
/* oklch */ color: oklch(80.3% 0.117 186.8);
Tailwind
colors: {
  custom: {
    50: '#91e4da',
    500: '#51d7cb',
    950: '#000000',
  },
}
SCSS
$custom: #51d7cb;
$custom-light: #91e4da;
$custom-dark: #000000;
JSON
{
  "hex": "#51d7cb",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 203
  },
  "hsl": {
    "h": 174.627,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.80326,
    "c": 0.11692,
    "h": 186.8
  },
  "luminance": 0.54662
}

Semantic roles & 50–950 ramp

primary
#51D7CB
secondary
#933941
accent
#4251E6
background
#FCFEFE
surface
#F5FCFB
border
#CFD5D4
text
#0E1514
muted
#7F8483

Preview Lab

Preview with #51D7CB

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

Preview Lab → · Contrast checker → · Palette generator →

#51D7CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva