#4FF3F9#4FF3F9

#4FF3F9 is a very light, vivid teal. Relative luminance 0.726; OKLCH L 88.4% C 0.132 H 198.6°. Best body text is #000000 at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#4FF3F9
RGB	rgb(79, 243, 249)
HSL	hsl(182, 93%, 64%)
HSV	hsv(182, 68%, 98%)
CMYK	cmyk(68.3%, 2.4%, 0%, 2.4%)
CIE-LAB	lab(88.26, -39.48, -15.21)
CIE-LCH	lch(88.26, 42.31, 201.07°)
OKLab	oklab(88.38% -0.1253 -0.0422)
OKLCH	oklch(88.38% 0.132 198.6)
XYZ	xyz(52.3663, 72.5969, 100.8569)
Luminance	0.7260 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FF3F9 #F9554F

analogous

#4FF9AA #4FF3F9 #4F9EF9

triadic

#4FF3F9 #F94FF3 #F3F94F

tetradic

#4FF3F9 #AA4FF9 #F9554F #9EF94F

square

#4FF3F9 #AA4FF9 #F9554F #9EF94F

split-complementary

#4FF3F9 #F94F9E #F9AA4F

monochromatic

#07C0C7 #14EFF7 #4FF3F9 #8AF7FB #C5FBFD

Accessibility & contrast

On white

1.35

#4FF3F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.52

#4FF3F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FF3F9

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FF3F9	#FFFFFF	#000000	##000000
##4FF3F9	1.00	1.35	15.52	15.52
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.52	21.00	1.00	1.00
##000000	15.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E8FA

Deuteranopia (green-blind)

#C9D6FA

Tritanopia (blue-blind)

#00FBF4

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #4ff3f9;
/* rgb */ color: rgb(79, 243, 249);
/* oklch */ color: oklch(88.4% 0.132 198.6);

Tailwind

colors: {
  custom: {
    50: '#97f7fb',
    500: '#4ff3f9',
    950: '#000000',
  },
}

SCSS

$custom: #4ff3f9;
$custom-light: #97f7fb;
$custom-dark: #000000;

JSON

{
  "hex": "#4ff3f9",
  "rgb": {
    "r": 79,
    "g": 243,
    "b": 249
  },
  "hsl": {
    "h": 182.118,
    "s": 93.407,
    "l": 64.314
  },
  "oklch": {
    "l": 0.88383,
    "c": 0.13219,
    "h": 198.6
  },
  "luminance": 0.72603
}

Semantic roles & 50–950 ramp

primary

#4FF3F9

secondary

#C32E29

accent

#0800E6

background

#FCFFFF

surface

#F6FFFF

border

#D0D7D7

text

#0F1717

muted

#808585

Preview Lab

Preview with #4FF3F9

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

Preview Lab → · Contrast checker → · Palette generator →