#18C5CA#18C5CA

#18C5CA is a light, vivid teal. Relative luminance 0.444; OKLCH L 74.9% C 0.124 H 198.1°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#18C5CA
RGB	rgb(24, 197, 202)
HSL	hsl(182, 79%, 44%)
HSV	hsv(182, 88%, 79%)
CMYK	cmyk(88.1%, 2.5%, 0%, 20.8%)
CIE-LAB	lab(72.49, -37.24, -13.92)
CIE-LCH	lch(72.49, 39.75, 200.49°)
OKLab	oklab(74.88% -0.1182 -0.0387)
OKLCH	oklch(74.88% 0.124 198.1)
XYZ	xyz(30.9986, 44.3869, 62.7994)
Luminance	0.4439 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18C5CA #CA1D18

analogous

#18CA76 #18C5CA #186CCA

triadic

#18C5CA #CA18C5 #C5CA18

tetradic

#18C5CA #7618CA #CA1D18 #6CCA18

square

#18C5CA #7618CA #CA1D18 #6CCA18

split-complementary

#18C5CA #CA186C #CA7618

monochromatic

#0B5A5D #129093 #18C5CA #38E2E7 #6FEAEE

Accessibility & contrast

On white

2.13

#18C5CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#18C5CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18C5CA

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18C5CA	#FFFFFF	#000000	##000000
##18C5CA	1.00	2.13	9.88	9.88
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6BBCB

Deuteranopia (green-blind)

#A0ABCB

Tritanopia (blue-blind)

#00CCC6

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #18c5ca;
/* rgb */ color: rgb(24, 197, 202);
/* oklch */ color: oklch(74.9% 0.124 198.1);

Tailwind

colors: {
  custom: {
    50: '#7ed7da',
    500: '#18c5ca',
    950: '#000000',
  },
}

SCSS

$custom: #18c5ca;
$custom-light: #7ed7da;
$custom-dark: #000000;

JSON

{
  "hex": "#18c5ca",
  "rgb": {
    "r": 24,
    "g": 197,
    "b": 202
  },
  "hsl": {
    "h": 181.685,
    "s": 78.761,
    "l": 44.314
  },
  "oklch": {
    "l": 0.74876,
    "c": 0.12439,
    "h": 198.1
  },
  "luminance": 0.44391
}

Semantic roles & 50–950 ramp

primary

#18C5CA

secondary

#D46D6A

accent

#3833F5

background

#F8FDFD

surface

#F0FAFA

border

#CBD3D3

text

#0C1414

muted

#7D8383

Preview Lab

Preview with #18C5CA

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

Preview Lab → · Contrast checker → · Palette generator →