#4FC5F5#4FC5F5

#4FC5F5 is a light, vivid cyan. Relative luminance 0.482; OKLCH L 77.6% C 0.124 H 228.6°. Best body text is #000000 at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#4FC5F5
RGB	rgb(79, 197, 245)
HSL	hsl(197, 89%, 64%)
HSV	hsv(197, 68%, 96%)
CMYK	cmyk(67.8%, 19.6%, 0%, 3.9%)
CIE-LAB	lab(74.94, -18.34, -33.36)
CIE-LCH	lch(74.94, 38.07, 241.20°)
OKLab	oklab(77.62% -0.0823 -0.0934)
OKLCH	oklch(77.62% 0.124 228.6)
XYZ	xyz(39.6655, 48.1830, 93.5783)
Luminance	0.4819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FC5F5 #F57F4F

analogous

#4FF5D2 #4FC5F5 #4F72F5

triadic

#4FC5F5 #F54FC5 #C5F54F

tetradic

#4FC5F5 #D24FF5 #F57F4F #72F54F

square

#4FC5F5 #D24FF5 #F57F4F #72F54F

split-complementary

#4FC5F5 #F54F72 #F5D24F

monochromatic

#0B8BBF #15B2F2 #4FC5F5 #89D8F8 #C3EBFC

Accessibility & contrast

On white

1.97

#4FC5F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.64

#4FC5F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FC5F5

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FC5F5	#FFFFFF	#000000	##000000
##4FC5F5	1.00	1.97	10.64	10.64
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.64	21.00	1.00	1.00
##000000	10.64	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: #4fc5f5;
/* rgb */ color: rgb(79, 197, 245);
/* oklch */ color: oklch(77.6% 0.124 228.6);

Tailwind

colors: {
  custom: {
    50: '#92d6f8',
    500: '#4fc5f5',
    950: '#000000',
  },
}

SCSS

$custom: #4fc5f5;
$custom-light: #92d6f8;
$custom-dark: #000000;

JSON

{
  "hex": "#4fc5f5",
  "rgb": {
    "r": 79,
    "g": 197,
    "b": 245
  },
  "hsl": {
    "h": 197.349,
    "s": 89.247,
    "l": 63.529
  },
  "oklch": {
    "l": 0.77623,
    "c": 0.12449,
    "h": 228.6
  },
  "luminance": 0.48187
}

Semantic roles & 50–950 ramp

primary

#4FC5F5

secondary

#EDC3B2

accent

#4200E6

background

#F9FDFF

surface

#F2FAFF

border

#CCD3D7

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4FC5F5

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

Preview Lab → · Contrast checker → · Palette generator →