#51CFE0#51CFE0

#51CFE0 is a light, moderate teal. Relative luminance 0.518; OKLCH L 79.2% C 0.112 H 207.6°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX#51CFE0
RGBrgb(81, 207, 224)
HSLhsl(187, 70%, 60%)
HSVhsv(187, 64%, 88%)
CMYKcmyk(63.8%, 7.6%, 0%, 12.2%)
CIE-LABlab(77.13, -29.40, -18.71)
CIE-LCHlch(77.13, 34.85, 212.48°)
OKLaboklab(79.15% -0.0991 -0.0519)
OKLCHoklch(79.15% 0.112 207.6)
XYZxyz(39.1550, 51.7525, 78.4323)
Luminance0.5176 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CFE0 #E06251
analogous
#51E0AA #51CFE0 #5187E0
triadic
#51CFE0 #E051CF #CFE051
tetradic
#51CFE0 #AA51E0 #E06251 #87E051
square
#51CFE0 #AA51E0 #E06251 #87E051
split-complementary
#51CFE0 #E05187 #E0AA51
monochromatic
#1C8C9B #25BBCF #51CFE0 #85DDE9 #B9ECF3

Accessibility & contrast

On white

1.85
#51CFE0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.35
#51CFE0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFE0
11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CFE0#FFFFFF#000000##000000
##51CFE01.001.8511.3511.35
#FFFFFF1.851.0021.0021.00
#00000011.3521.001.001.00
##00000011.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEC7E1
Deuteranopia (green-blind)
#A9B8E0
Tritanopia (blue-blind)
#00D8D4
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #51cfe0;
/* rgb */ color: rgb(81, 207, 224);
/* oklch */ color: oklch(79.2% 0.112 207.6);
Tailwind
colors: {
  custom: {
    50: '#92dee9',
    500: '#51cfe0',
    950: '#000000',
  },
}
SCSS
$custom: #51cfe0;
$custom-light: #92dee9;
$custom-dark: #000000;
JSON
{
  "hex": "#51cfe0",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 224
  },
  "hsl": {
    "h": 187.133,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.79151,
    "c": 0.11188,
    "h": 207.6
  },
  "luminance": 0.51757
}

Semantic roles & 50–950 ramp

primary
#51CFE0
secondary
#9F4337
accent
#503BED
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1516
muted
#7F8484

Preview Lab

Preview with #51CFE0

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

Preview Lab → · Contrast checker → · Palette generator →

#51CFE0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva