#4EF3FF#4EF3FF

#4EF3FF is a very light, vivid teal. Relative luminance 0.729; OKLCH L 88.6% C 0.133 H 202.2°. Best body text is #000000 at 15.59:1 contrast (WCAG AA passes).

Color values

HEX#4EF3FF
RGBrgb(78, 243, 255)
HSLhsl(184, 100%, 65%)
HSVhsv(184, 69%, 100%)
CMYKcmyk(69.4%, 4.7%, 0%, 0%)
CIE-LABlab(88.42, -37.92, -18.10)
CIE-LCHlch(88.42, 42.02, 205.52°)
OKLaboklab(88.57% -0.1232 -0.0503)
OKLCHoklch(88.57% 0.133 202.2)
XYZxyz(53.2345, 72.9347, 105.8605)
Luminance0.7294 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4EF3FF #FF5A4E
analogous
#4EFFB3 #4EF3FF #4E9AFF
triadic
#4EF3FF #FF4EF3 #F3FF4E
tetradic
#4EF3FF #B34EFF #FF5A4E #9AFF4E
square
#4EF3FF #B34EFF #FF5A4E #9AFF4E
split-complementary
#4EF3FF #FF4E9A #FFB34E
monochromatic
#00C4D3 #11EFFF #4EF3FF #8BF7FF #C8FBFF

Accessibility & contrast

On white

1.35
#4EF3FF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.59
#4EF3FF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EF3FF
15.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4EF3FF#FFFFFF#000000##000000
##4EF3FF1.001.3515.5915.59
#FFFFFF1.351.0021.0021.00
#00000015.5921.001.001.00
##00000015.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1E9FF
Deuteranopia (green-blind)
#C7D6FF
Tritanopia (blue-blind)
#00FCF6
Achromatopsia (no color)
#DEDEDE

Design tokens & code

CSS
--color: #4ef3ff;
/* rgb */ color: rgb(78, 243, 255);
/* oklch */ color: oklch(88.6% 0.133 202.2);
Tailwind
colors: {
  custom: {
    50: '#97f7ff',
    500: '#4ef3ff',
    950: '#000000',
  },
}
SCSS
$custom: #4ef3ff;
$custom-light: #97f7ff;
$custom-dark: #000000;
JSON
{
  "hex": "#4ef3ff",
  "rgb": {
    "r": 78,
    "g": 243,
    "b": 255
  },
  "hsl": {
    "h": 184.068,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.88568,
    "c": 0.13309,
    "h": 202.2
  },
  "luminance": 0.72941
}

Semantic roles & 50–950 ramp

primary
#4EF3FF
secondary
#CD3024
accent
#1000E6
background
#FCFFFF
surface
#F6FFFF
border
#D0D7D7
text
#0F1718
muted
#808586

Preview Lab

Preview with #4EF3FF

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

Preview Lab → · Contrast checker → · Palette generator →

#4EF3FF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva