#18DDE2#18DDE2

#18DDE2 is a light, vivid teal. Relative luminance 0.574; OKLCH L 81.6% C 0.136 H 197.8°. Best body text is #000000 at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#18DDE2
RGB	rgb(24, 221, 226)
HSL	hsl(181, 81%, 49%)
HSV	hsv(181, 89%, 89%)
CMYK	cmyk(89.4%, 2.2%, 0%, 11.4%)
CIE-LAB	lab(80.40, -40.97, -14.94)
CIE-LCH	lch(80.40, 43.61, 200.04°)
OKLab	oklab(81.56% -0.1297 -0.0416)
OKLCH	oklch(81.56% 0.136 197.8)
XYZ	xyz(39.9542, 57.3928, 80.9089)
Luminance	0.5740 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18DDE2 #E21D18

analogous

#18E282 #18DDE2 #1878E2

triadic

#18DDE2 #E218DD #DDE218

tetradic

#18DDE2 #8218E2 #E21D18 #78E218

square

#18DDE2 #8218E2 #E21D18 #78E218

split-complementary

#18DDE2 #E21878 #E28218

monochromatic

#0C7173 #12A7AB #18DDE2 #4BE8EC #83EFF2

Accessibility & contrast

On white

1.68

#18DDE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.48

#18DDE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18DDE2

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18DDE2	#FFFFFF	#000000	##000000
##18DDE2	1.00	1.68	12.48	12.48
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.48	21.00	1.00	1.00
##000000	12.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD2E3

Deuteranopia (green-blind)

#B3C0E3

Tritanopia (blue-blind)

#00E5DE

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #18dde2;
/* rgb */ color: rgb(24, 221, 226);
/* oklch */ color: oklch(81.6% 0.136 197.8);

Tailwind

colors: {
  custom: {
    50: '#84e8eb',
    500: '#18dde2',
    950: '#000000',
  },
}

SCSS

$custom: #18dde2;
$custom-light: #84e8eb;
$custom-dark: #000000;

JSON

{
  "hex": "#18dde2",
  "rgb": {
    "r": 24,
    "g": 221,
    "b": 226
  },
  "hsl": {
    "h": 181.485,
    "s": 80.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.81558,
    "c": 0.13624,
    "h": 197.8
  },
  "luminance": 0.57398
}

Semantic roles & 50–950 ramp

primary

#18DDE2

secondary

#7C2522

accent

#3631F7

background

#FCFEFE

surface

#F4FDFD

border

#CED5D5

text

#0D1616

muted

#7F8484

Preview Lab

Preview with #18DDE2

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

Preview Lab → · Contrast checker → · Palette generator →