#51D4E6#51D4E6

#51D4E6 is a light, moderate teal. Relative luminance 0.545; OKLCH L 80.5% C 0.115 H 207.9°. Best body text is #000000 at 11.91:1 contrast (WCAG AA passes).

Color values

HEX#51D4E6
RGBrgb(81, 212, 230)
HSLhsl(187, 75%, 61%)
HSVhsv(187, 65%, 90%)
CMYKcmyk(64.8%, 7.8%, 0%, 9.8%)
CIE-LABlab(78.78, -30.08, -19.44)
CIE-LCHlch(78.78, 35.81, 212.87°)
OKLaboklab(80.54% -0.1017 -0.0539)
OKLCHoklch(80.54% 0.115 207.9)
XYZxyz(41.2137, 54.5449, 83.2038)
Luminance0.5455 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D4E6 #E66351
analogous
#51E6AD #51D4E6 #5189E6
triadic
#51D4E6 #E651D4 #D4E651
tetradic
#51D4E6 #AD51E6 #E66351 #89E651
square
#51D4E6 #AD51E6 #E66351 #89E651
split-complementary
#51D4E6 #E65189 #E6AD51
monochromatic
#1894A5 #1FC4DA #51D4E6 #87E1EE #BCEEF5

Accessibility & contrast

On white

1.76
#51D4E6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.91
#51D4E6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4E6
11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D4E6#FFFFFF#000000##000000
##51D4E61.001.7611.9111.91
#FFFFFF1.761.0021.0021.00
#00000011.9121.001.001.00
##00000011.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3CCE7
Deuteranopia (green-blind)
#ADBCE6
Tritanopia (blue-blind)
#00DDD9
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #51d4e6;
/* rgb */ color: rgb(81, 212, 230);
/* oklch */ color: oklch(80.5% 0.115 207.9);
Tailwind
colors: {
  custom: {
    50: '#93e1ee',
    500: '#51d4e6',
    950: '#000000',
  },
}
SCSS
$custom: #51d4e6;
$custom-light: #93e1ee;
$custom-dark: #000000;
JSON
{
  "hex": "#51d4e6",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 230
  },
  "hsl": {
    "h": 187.248,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.80542,
    "c": 0.11515,
    "h": 207.9
  },
  "luminance": 0.54549
}

Semantic roles & 50–950 ramp

primary
#51D4E6
secondary
#A74234
accent
#270ED7
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0E1516
muted
#7F8485

Preview Lab

Preview with #51D4E6

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

Preview Lab → · Contrast checker → · Palette generator →

#51D4E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva