#64CFFB#64CFFB

#64CFFB is a light, moderate cyan. Relative luminance 0.543; OKLCH L 80.8% C 0.116 H 227.8°. Best body text is #000000 at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#64CFFB
RGB	rgb(100, 207, 251)
HSL	hsl(197, 95%, 69%)
HSV	hsv(197, 60%, 98%)
CMYK	cmyk(60.2%, 17.5%, 0%, 1.6%)
CIE-LAB	lab(78.63, -18.28, -30.83)
CIE-LCH	lch(78.63, 35.84, 239.33°)
OKLab	oklab(80.82% -0.078 -0.086)
OKLCH	oklch(80.82% 0.116 227.8)
XYZ	xyz(44.9741, 54.2955, 99.3580)
Luminance	0.5430 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64CFFB #FB9064

analogous

#64FBDB #64CFFB #6484FB

triadic

#64CFFB #FB64CF #CFFB64

tetradic

#64CFFB #DB64FB #FB9064 #84FB64

square

#64CFFB #DB64FB #FB9064 #84FB64

split-complementary

#64CFFB #FB6484 #FBDB64

monochromatic

#06A0DF #28BDF9 #64CFFB #A0E1FD #DBF4FE

Accessibility & contrast

On white

1.77

#64CFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.86

#64CFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64CFFB

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64CFFB	#FFFFFF	#000000	##000000
##64CFFB	1.00	1.77	11.86	11.86
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.86	21.00	1.00	1.00
##000000	11.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8CCFD

Deuteranopia (green-blind)

#A3BCFA

Tritanopia (blue-blind)

#00DCDD

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #64cffb;
/* rgb */ color: rgb(100, 207, 251);
/* oklch */ color: oklch(80.8% 0.116 227.8);

Tailwind

colors: {
  custom: {
    50: '#9dddfc',
    500: '#64cffb',
    950: '#000000',
  },
}

SCSS

$custom: #64cffb;
$custom-light: #9dddfc;
$custom-dark: #000000;

JSON

{
  "hex": "#64cffb",
  "rgb": {
    "r": 100,
    "g": 207,
    "b": 251
  },
  "hsl": {
    "h": 197.483,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.80824,
    "c": 0.11612,
    "h": 227.8
  },
  "luminance": 0.543
}

Semantic roles & 50–950 ramp

primary

#64CFFB

secondary

#D55F2E

accent

#4300E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #64CFFB

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

Preview Lab → · Contrast checker → · Palette generator →