#4EC5F5#4EC5F5

#4EC5F5 is a light, vivid cyan. Relative luminance 0.481; OKLCH L 77.6% C 0.125 H 228.5°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#4EC5F5
RGB	rgb(78, 197, 245)
HSL	hsl(197, 89%, 63%)
HSV	hsv(197, 68%, 96%)
CMYK	cmyk(68.2%, 19.6%, 0%, 3.9%)
CIE-LAB	lab(74.91, -18.48, -33.40)
CIE-LCH	lch(74.91, 38.17, 241.05°)
OKLab	oklab(77.59% -0.0828 -0.0936)
OKLCH	oklch(77.59% 0.125 228.5)
XYZ	xyz(39.5830, 48.1404, 93.5744)
Luminance	0.4814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EC5F5 #F57E4E

analogous

#4EF5D2 #4EC5F5 #4E71F5

triadic

#4EC5F5 #F54EC5 #C5F54E

tetradic

#4EC5F5 #D24EF5 #F57E4E #71F54E

square

#4EC5F5 #D24EF5 #F57E4E #71F54E

split-complementary

#4EC5F5 #F54E71 #F5D24E

monochromatic

#0B8ABE #14B2F2 #4EC5F5 #88D8F8 #C2EBFC

Accessibility & contrast

On white

1.98

#4EC5F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#4EC5F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EC5F5

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EC5F5	#FFFFFF	#000000	##000000
##4EC5F5	1.00	1.98	10.63	10.63
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACC2F7

Deuteranopia (green-blind)

#95B1F4

Tritanopia (blue-blind)

#00D3D5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #4ec5f5;
/* rgb */ color: rgb(78, 197, 245);
/* oklch */ color: oklch(77.6% 0.125 228.5);

Tailwind

colors: {
  custom: {
    50: '#92d6f8',
    500: '#4ec5f5',
    950: '#000000',
  },
}

SCSS

$custom: #4ec5f5;
$custom-light: #92d6f8;
$custom-dark: #000000;

JSON

{
  "hex": "#4ec5f5",
  "rgb": {
    "r": 78,
    "g": 197,
    "b": 245
  },
  "hsl": {
    "h": 197.246,
    "s": 89.305,
    "l": 63.333
  },
  "oklch": {
    "l": 0.77594,
    "c": 0.12493,
    "h": 228.5
  },
  "luminance": 0.48145
}

Semantic roles & 50–950 ramp

primary

#4EC5F5

secondary

#EDC3B2

accent

#4200E6

background

#F9FDFF

surface

#F2FAFF

border

#CCD3D7

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4EC5F5

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

Preview Lab → · Contrast checker → · Palette generator →