#4EF9FF#4EF9FF

#4EF9FF is a very light, vivid teal. Relative luminance 0.766; OKLCH L 90.0% C 0.136 H 198.5°. Best body text is #000000 at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#4EF9FF
RGB	rgb(78, 249, 255)
HSL	hsl(182, 100%, 65%)
HSV	hsv(182, 69%, 100%)
CMYK	cmyk(69.4%, 2.4%, 0%, 0%)
CIE-LAB	lab(90.13, -40.65, -15.53)
CIE-LCH	lch(90.13, 43.52, 200.91°)
OKLab	oklab(89.96% -0.1289 -0.0431)
OKLCH	oklch(89.96% 0.136 198.5)
XYZ	xyz(55.0595, 76.5846, 106.4688)
Luminance	0.7659 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EF9FF #FF544E

analogous

#4EFFAD #4EF9FF #4EA0FF

triadic

#4EF9FF #FF4EF9 #F9FF4E

tetradic

#4EF9FF #AD4EFF #FF544E #A0FF4E

square

#4EF9FF #AD4EFF #FF544E #A0FF4E

split-complementary

#4EF9FF #FF4EA0 #FFAD4E

monochromatic

#00CBD3 #11F7FF #4EF9FF #8BFBFF #C8FDFF

Accessibility & contrast

On white

1.29

#4EF9FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.32

#4EF9FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EF9FF

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EF9FF	#FFFFFF	#000000	##000000
##4EF9FF	1.00	1.29	16.32	16.32
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.32	21.00	1.00	1.00
##000000	16.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8EEFF

Deuteranopia (green-blind)

#CEDBFF

Tritanopia (blue-blind)

#00FFFA

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #4ef9ff;
/* rgb */ color: rgb(78, 249, 255);
/* oklch */ color: oklch(90.0% 0.136 198.5);

Tailwind

colors: {
  custom: {
    50: '#97fcff',
    500: '#4ef9ff',
    950: '#000000',
  },
}

SCSS

$custom: #4ef9ff;
$custom-light: #97fcff;
$custom-dark: #000000;

JSON

{
  "hex": "#4ef9ff",
  "rgb": {
    "r": 78,
    "g": 249,
    "b": 255
  },
  "hsl": {
    "h": 182.034,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.89956,
    "c": 0.13594,
    "h": 198.5
  },
  "luminance": 0.76591
}

Semantic roles & 50–950 ramp

primary

#4EF9FF

secondary

#CD2A24

accent

#0800E6

background

#FCFFFF

surface

#F6FFFF

border

#D0D7D7

text

#101718

muted

#808586

Preview Lab

Preview with #4EF9FF

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

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