#40FEFF#40FEFF

#40FEFF is a very light, vivid teal. Relative luminance 0.792; OKLCH L 90.8% C 0.144 H 195.5°. Best body text is #000000 at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#40FEFF
RGB	rgb(64, 254, 255)
HSL	hsl(180, 100%, 63%)
HSV	hsv(180, 75%, 100%)
CMYK	cmyk(74.9%, 0.4%, 0%, 0%)
CIE-LAB	lab(91.32, -44.42, -13.77)
CIE-LCH	lch(91.32, 46.51, 197.23°)
OKLab	oklab(90.85% -0.1384 -0.0383)
OKLCH	oklch(90.85% 0.144 195.5)
XYZ	xyz(55.5978, 79.1867, 106.9427)
Luminance	0.7919 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40FEFF #FF4140

analogous

#40FFA0 #40FEFF #409FFF

triadic

#40FEFF #FF40FE #FEFF40

tetradic

#40FEFF #A040FF #FF4140 #9FFF40

square

#40FEFF #A040FF #FF4140 #9FFF40

split-complementary

#40FEFF #FF409F #FFA040

monochromatic

#00C4C5 #03FEFF #40FEFF #7DFEFF #BAFFFF

Accessibility & contrast

On white

1.25

#40FEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.84

#40FEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40FEFF

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40FEFF	#FFFFFF	#000000	##000000
##40FEFF	1.00	1.25	16.84	16.84
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.84	21.00	1.00	1.00
##000000	16.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDF2FF

Deuteranopia (green-blind)

#D2DEFF

Tritanopia (blue-blind)

#00FFFE

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #40feff;
/* rgb */ color: rgb(64, 254, 255);
/* oklch */ color: oklch(90.8% 0.144 195.5);

Tailwind

colors: {
  custom: {
    50: '#93ffff',
    500: '#40feff',
    950: '#000000',
  },
}

SCSS

$custom: #40feff;
$custom-light: #93ffff;
$custom-dark: #000000;

JSON

{
  "hex": "#40feff",
  "rgb": {
    "r": 64,
    "g": 254,
    "b": 255
  },
  "hsl": {
    "h": 180.314,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.9085,
    "c": 0.14364,
    "h": 195.5
  },
  "luminance": 0.79194
}

Semantic roles & 50–950 ramp

primary

#40FEFF

secondary

#C12322

accent

#0100E6

background

#FCFFFF

surface

#F6FFFF

border

#D0D7D7

text

#0F1818

muted

#808686

Preview Lab

Preview with #40FEFF

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

Preview Lab → · Contrast checker → · Palette generator →