#4EC4F9#4EC4F9

#4EC4F9 is a light, vivid cyan. Relative luminance 0.479; OKLCH L 77.5% C 0.129 H 231.3°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#4EC4F9
RGB	rgb(78, 196, 249)
HSL	hsl(199, 93%, 64%)
HSV	hsv(199, 69%, 98%)
CMYK	cmyk(68.7%, 21.3%, 0%, 2.4%)
CIE-LAB	lab(74.78, -16.70, -35.75)
CIE-LCH	lch(74.78, 39.46, 244.97°)
OKLab	oklab(77.54% -0.0804 -0.1003)
OKLCH	oklch(77.54% 0.129 231.3)
XYZ	xyz(39.9739, 47.9347, 96.7498)
Luminance	0.4794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC4F9 #F9834E

analogous

#4EF9D8 #4EC4F9 #4E6FF9

triadic

#4EC4F9 #F94EC4 #C4F94E

tetradic

#4EC4F9 #D84EF9 #F9834E #6FF94E

square

#4EC4F9 #D84EF9 #F9834E #6FF94E

split-complementary

#4EC4F9 #F94E6F #F9D84E

monochromatic

#078BC6 #13B0F7 #4EC4F9 #89D8FB #C4EBFD

Accessibility & contrast

On white

1.98

#4EC4F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#4EC4F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC4F9

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC4F9	#FFFFFF	#000000	##000000
##4EC4F9	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9C2FC

Deuteranopia (green-blind)

#92B1F8

Tritanopia (blue-blind)

#00D2D6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #4ec4f9;
/* rgb */ color: rgb(78, 196, 249);
/* oklch */ color: oklch(77.5% 0.129 231.3);

Tailwind

colors: {
  custom: {
    50: '#92d5fb',
    500: '#4ec4f9',
    950: '#000000',
  },
}

SCSS

$custom: #4ec4f9;
$custom-light: #92d5fb;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec4f9",
  "rgb": {
    "r": 78,
    "g": 196,
    "b": 249
  },
  "hsl": {
    "h": 198.596,
    "s": 93.443,
    "l": 64.118
  },
  "oklch": {
    "l": 0.77542,
    "c": 0.12859,
    "h": 231.3
  },
  "luminance": 0.47939
}

Semantic roles & 50–950 ramp

primary

#4EC4F9

secondary

#EFC6B4

accent

#4700E6

background

#F9FDFF

surface

#F2FAFF

border

#CCD3D7

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4EC4F9

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

Preview Lab → · Contrast checker → · Palette generator →