#40FFFF#40FFFF

#40FFFF is a very light, vivid teal. Relative luminance 0.798; OKLCH L 91.1% C 0.144 H 194.9°. Best body text is #000000 at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#40FFFF
RGB	rgb(64, 255, 255)
HSL	hsl(180, 100%, 63%)
HSV	hsv(180, 75%, 100%)
CMYK	cmyk(74.9%, 0%, 0%, 0%)
CIE-LAB	lab(91.61, -44.86, -13.34)
CIE-LCH	lch(91.61, 46.80, 196.57°)
OKLab	oklab(91.08% -0.1394 -0.0371)
OKLCH	oklch(91.08% 0.144 194.9)
XYZ	xyz(55.9160, 79.8231, 107.0487)
Luminance	0.7983 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40FFFF #FF4040

analogous

#40FF9F #40FFFF #409FFF

triadic

#40FFFF #FF40FF #FFFF40

tetradic

#40FFFF #9F40FF #FF4040 #9FFF40

square

#40FFFF #9F40FF #FF4040 #9FFF40

split-complementary

#40FFFF #FF409F #FF9F40

monochromatic

#00C5C5 #03FFFF #40FFFF #7DFFFF #BAFFFF

Accessibility & contrast

On white

1.24

#40FFFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.97

#40FFFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40FFFF

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40FFFF	#FFFFFF	#000000	##000000
##40FFFF	1.00	1.24	16.97	16.97
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.97	21.00	1.00	1.00
##000000	16.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEF2FF

Deuteranopia (green-blind)

#D3DFFF

Tritanopia (blue-blind)

#00FFFE

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #40ffff;
/* rgb */ color: rgb(64, 255, 255);
/* oklch */ color: oklch(91.1% 0.144 194.9);

Tailwind

colors: {
  custom: {
    50: '#94ffff',
    500: '#40ffff',
    950: '#000000',
  },
}

SCSS

$custom: #40ffff;
$custom-light: #94ffff;
$custom-dark: #000000;

JSON

{
  "hex": "#40ffff",
  "rgb": {
    "r": 64,
    "g": 255,
    "b": 255
  },
  "hsl": {
    "h": 180,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.91083,
    "c": 0.14422,
    "h": 194.9
  },
  "luminance": 0.7983
}

Semantic roles & 50–950 ramp

primary

#40FFFF

secondary

#C12222

accent

#0000E6

background

#FCFFFF

surface

#F6FFFF

border

#D0D7D7

text

#0F1818

muted

#808686

Preview Lab

Preview with #40FFFF

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

Preview Lab → · Contrast checker → · Palette generator →