#4FDFFF#4FDFFF

#4FDFFF is a very light, vivid cyan. Relative luminance 0.617; OKLCH L 84.0% C 0.128 H 215.7°. Best body text is #000000 at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#4FDFFF
RGB	rgb(79, 223, 255)
HSL	hsl(191, 100%, 65%)
HSV	hsv(191, 69%, 100%)
CMYK	cmyk(69%, 12.5%, 0%, 0%)
CIE-LAB	lab(82.73, -28.34, -26.73)
CIE-LCH	lch(82.73, 38.95, 223.33°)
OKLab	oklab(83.99% -0.1037 -0.0745)
OKLCH	oklch(83.99% 0.128 215.7)
XYZ	xyz(47.6546, 61.6522, 103.9769)
Luminance	0.6166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FDFFF #FF6F4F

analogous

#4FFFC7 #4FDFFF #4F87FF

triadic

#4FDFFF #FF4FDF #DFFF4F

tetradic

#4FDFFF #C74FFF #FF6F4F #87FF4F

square

#4FDFFF #C74FFF #FF6F4F #87FF4F

split-complementary

#4FDFFF #FF4F87 #FFC74F

monochromatic

#00ADD4 #12D4FF #4FDFFF #8CEAFF #C9F5FF

Accessibility & contrast

On white

1.58

#4FDFFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.33

#4FDFFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FDFFF

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FDFFF	#FFFFFF	#000000	##000000
##4FDFFF	1.00	1.58	13.33	13.33
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.33	21.00	1.00	1.00
##000000	13.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9D8FF

Deuteranopia (green-blind)

#B0C6FF

Tritanopia (blue-blind)

#00EBE9

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #4fdfff;
/* rgb */ color: rgb(79, 223, 255);
/* oklch */ color: oklch(84.0% 0.128 215.7);

Tailwind

colors: {
  custom: {
    50: '#95e9ff',
    500: '#4fdfff',
    950: '#000000',
  },
}

SCSS

$custom: #4fdfff;
$custom-light: #95e9ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4fdfff",
  "rgb": {
    "r": 79,
    "g": 223,
    "b": 255
  },
  "hsl": {
    "h": 190.909,
    "s": 100,
    "l": 65.49
  },
  "oklch": {
    "l": 0.83986,
    "c": 0.1277,
    "h": 215.7
  },
  "luminance": 0.61658
}

Semantic roles & 50–950 ramp

primary

#4FDFFF

secondary

#CE4324

accent

#2A00E6

background

#FCFEFF

surface

#F5FDFF

border

#CFD5D7

text

#0F1618

muted

#808486

Preview Lab

Preview with #4FDFFF

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

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