#51CFE5#51CFE5

#51CFE5 is a light, moderate teal. Relative luminance 0.520; OKLCH L 79.3% C 0.114 H 211.2°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX#51CFE5
RGBrgb(81, 207, 229)
HSLhsl(189, 74%, 61%)
HSVhsv(189, 65%, 90%)
CMYKcmyk(64.6%, 9.6%, 0%, 10.2%)
CIE-LABlab(77.30, -27.94, -21.15)
CIE-LCHlch(77.30, 35.04, 217.12°)
OKLaboklab(79.34% -0.0971 -0.0587)
OKLCHoklch(79.34% 0.114 211.2)
XYZxyz(39.8431, 52.0278, 82.0561)
Luminance0.5203 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CFE5 #E56751
analogous
#51E5B1 #51CFE5 #5185E5
triadic
#51CFE5 #E551CF #CFE551
tetradic
#51CFE5 #B151E5 #E56751 #85E551
square
#51CFE5 #B151E5 #E56751 #85E551
split-complementary
#51CFE5 #E55185 #E5B151
monochromatic
#188FA3 #20BDD8 #51CFE5 #86DEED #BBECF5

Accessibility & contrast

On white

1.84
#51CFE5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.41
#51CFE5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFE5
11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CFE5#FFFFFF#000000##000000
##51CFE51.001.8411.4111.41
#FFFFFF1.841.0021.0021.00
#00000011.4121.001.001.00
##00000011.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDC8E6
Deuteranopia (green-blind)
#A7B8E5
Tritanopia (blue-blind)
#00D8D6
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #51cfe5;
/* rgb */ color: rgb(81, 207, 229);
/* oklch */ color: oklch(79.3% 0.114 211.2);
Tailwind
colors: {
  custom: {
    50: '#92deed',
    500: '#51cfe5',
    950: '#000000',
  },
}
SCSS
$custom: #51cfe5;
$custom-light: #92deed;
$custom-dark: #000000;
JSON
{
  "hex": "#51cfe5",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 229
  },
  "hsl": {
    "h": 188.919,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.79338,
    "c": 0.1135,
    "h": 211.2
  },
  "luminance": 0.52032
}

Semantic roles & 50–950 ramp

primary
#51CFE5
secondary
#A64535
accent
#2D0FD6
background
#FCFEFE
surface
#F5FCFD
border
#CFD5D5
text
#0E1516
muted
#7F8484

Preview Lab

Preview with #51CFE5

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

Preview Lab → · Contrast checker → · Palette generator →

#51CFE5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva