#51E1F2#51E1F2

#51E1F2 is a very light, vivid teal. Relative luminance 0.620; OKLCH L 84.0% C 0.123 H 206.3°. Best body text is #000000 at 13.40:1 contrast (WCAG AA passes).

Color values

HEX#51E1F2
RGBrgb(81, 225, 242)
HSLhsl(186, 86%, 63%)
HSVhsv(186, 67%, 95%)
CMYKcmyk(66.5%, 7%, 0%, 5.1%)
CIE-LABlab(82.92, -32.84, -19.56)
CIE-LCHlch(82.92, 38.22, 210.78°)
OKLaboklab(84.01% -0.1098 -0.0543)
OKLCHoklch(84.01% 0.123 206.3)
XYZxyz(46.3387, 62.0053, 93.5133)
Luminance0.6201 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E1F2 #F26251
analogous
#51F2B2 #51E1F2 #5191F2
triadic
#51E1F2 #F251E1 #E1F251
tetradic
#51E1F2 #B251F2 #F26251 #91F251
square
#51E1F2 #B251F2 #F26251 #91F251
split-complementary
#51E1F2 #F25191 #F2B251
monochromatic
#0EA8BB #18D7EE #51E1F2 #8AEBF6 #C3F5FB

Accessibility & contrast

On white

1.57
#51E1F2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.40
#51E1F2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1F2
13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E1F2#FFFFFF#000000##000000
##51E1F21.001.5713.4013.40
#FFFFFF1.571.0021.0021.00
#00000013.4021.001.001.00
##00000013.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFD8F3
Deuteranopia (green-blind)
#B7C7F2
Tritanopia (blue-blind)
#00EAE6
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #51e1f2;
/* rgb */ color: rgb(81, 225, 242);
/* oklch */ color: oklch(84.0% 0.123 206.3);
Tailwind
colors: {
  custom: {
    50: '#95eaf6',
    500: '#51e1f2',
    950: '#000000',
  },
}
SCSS
$custom: #51e1f2;
$custom-light: #95eaf6;
$custom-dark: #000000;
JSON
{
  "hex": "#51e1f2",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 242
  },
  "hsl": {
    "h": 186.335,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.84008,
    "c": 0.12251,
    "h": 206.3
  },
  "luminance": 0.62011
}

Semantic roles & 50–950 ramp

primary
#51E1F2
secondary
#B93D2E
accent
#1B03E3
background
#FCFEFF
surface
#F5FDFE
border
#CFD5D6
text
#0F1617
muted
#808485

Preview Lab

Preview with #51E1F2

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

Preview Lab → · Contrast checker → · Palette generator →

#51E1F2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva