#4EC5F0#4EC5F0

#4EC5F0 is a light, vivid cyan. Relative luminance 0.478; OKLCH L 77.4% C 0.121 H 225.7°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#4EC5F0
RGB	rgb(78, 197, 240)
HSL	hsl(196, 84%, 62%)
HSV	hsv(196, 68%, 94%)
CMYK	cmyk(67.5%, 17.9%, 0%, 5.9%)
CIE-LAB	lab(74.72, -20.04, -31.00)
CIE-LCH	lch(74.72, 36.92, 237.12°)
OKLab	oklab(77.38% -0.0846 -0.0867)
OKLCH	oklch(77.38% 0.121 225.7)
XYZ	xyz(38.8300, 47.8392, 89.6086)
Luminance	0.4784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC5F0 #F0794E

analogous

#4EF0CA #4EC5F0 #4E74F0

triadic

#4EC5F0 #F04EC5 #C5F04E

tetradic

#4EC5F0 #CA4EF0 #F0794E #74F04E

square

#4EC5F0 #CA4EF0 #F0794E #74F04E

split-complementary

#4EC5F0 #F04E74 #F0CA4E

monochromatic

#0F89B4 #16B3EB #4EC5F0 #86D7F5 #BFEAFA

Accessibility & contrast

On white

1.99

#4EC5F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.57

#4EC5F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC5F0

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC5F0	#FFFFFF	#000000	##000000
##4EC5F0	1.00	1.99	10.57	10.57
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.57	21.00	1.00	1.00
##000000	10.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC1F2

Deuteranopia (green-blind)

#97B1F0

Tritanopia (blue-blind)

#00D2D3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #4ec5f0;
/* rgb */ color: rgb(78, 197, 240);
/* oklch */ color: oklch(77.4% 0.121 225.7);

Tailwind

colors: {
  custom: {
    50: '#91d6f5',
    500: '#4ec5f0',
    950: '#000000',
  },
}

SCSS

$custom: #4ec5f0;
$custom-light: #91d6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec5f0",
  "rgb": {
    "r": 78,
    "g": 197,
    "b": 240
  },
  "hsl": {
    "h": 195.926,
    "s": 84.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.7738,
    "c": 0.12112,
    "h": 225.7
  },
  "luminance": 0.47843
}

Semantic roles & 50–950 ramp

primary

#4EC5F0

secondary

#EABFAF

accent

#3F05E1

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4EC5F0

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

Preview Lab → · Contrast checker → · Palette generator →