#4EC5EF#4EC5EF

#4EC5EF is a light, vivid cyan. Relative luminance 0.478; OKLCH L 77.3% C 0.120 H 225.1°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#4EC5EF
RGB	rgb(78, 197, 239)
HSL	hsl(196, 83%, 62%)
HSV	hsv(196, 67%, 94%)
CMYK	cmyk(67.4%, 17.6%, 0%, 6.3%)
CIE-LAB	lab(74.69, -20.36, -30.52)
CIE-LCH	lch(74.69, 36.69, 236.30°)
OKLab	oklab(77.34% -0.0849 -0.0853)
OKLCH	oklch(77.34% 0.12 225.1)
XYZ	xyz(38.6818, 47.7799, 88.8285)
Luminance	0.4778 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC5EF #EF784E

analogous

#4EEFC8 #4EC5EF #4E75EF

triadic

#4EC5EF #EF4EC5 #C5EF4E

tetradic

#4EC5EF #C84EEF #EF784E #75EF4E

square

#4EC5EF #C84EEF #EF784E #75EF4E

split-complementary

#4EC5EF #EF4E75 #EFC84E

monochromatic

#1088B2 #16B3EA #4EC5EF #86D7F4 #BEEAF9

Accessibility & contrast

On white

1.99

#4EC5EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#4EC5EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC5EF

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC5EF	#FFFFFF	#000000	##000000
##4EC5EF	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC1F1

Deuteranopia (green-blind)

#98B1EF

Tritanopia (blue-blind)

#00D2D3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #4ec5ef;
/* rgb */ color: rgb(78, 197, 239);
/* oklch */ color: oklch(77.3% 0.120 225.1);

Tailwind

colors: {
  custom: {
    50: '#91d6f4',
    500: '#4ec5ef',
    950: '#000000',
  },
}

SCSS

$custom: #4ec5ef;
$custom-light: #91d6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec5ef",
  "rgb": {
    "r": 78,
    "g": 197,
    "b": 239
  },
  "hsl": {
    "h": 195.652,
    "s": 83.42,
    "l": 62.157
  },
  "oklch": {
    "l": 0.77337,
    "c": 0.1204,
    "h": 225.1
  },
  "luminance": 0.47784
}

Semantic roles & 50–950 ramp

primary

#4EC5EF

secondary

#EABEAF

accent

#3F06E0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4EC5EF

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

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