#18C4C9#18C4C9

#18C4C9 is a light, vivid teal. Relative luminance 0.439; OKLCH L 74.6% C 0.124 H 198.2°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#18C4C9
RGB	rgb(24, 196, 201)
HSL	hsl(182, 79%, 44%)
HSV	hsv(182, 88%, 79%)
CMYK	cmyk(88.1%, 2.5%, 0%, 21.2%)
CIE-LAB	lab(72.15, -37.08, -13.87)
CIE-LCH	lch(72.15, 39.59, 200.51°)
OKLab	oklab(74.59% -0.1177 -0.0386)
OKLCH	oklch(74.59% 0.124 198.2)
XYZ	xyz(30.6543, 43.8871, 62.1024)
Luminance	0.4389 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18C4C9 #C91D18

analogous

#18C976 #18C4C9 #186CC9

triadic

#18C4C9 #C918C4 #C4C918

tetradic

#18C4C9 #7618C9 #C91D18 #6CC918

square

#18C4C9 #7618C9 #C91D18 #6CC918

split-complementary

#18C4C9 #C9186C #C97618

monochromatic

#0B595C #118F92 #18C4C9 #37E2E7 #6EEAEE

Accessibility & contrast

On white

2.15

#18C4C9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#18C4C9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18C4C9

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18C4C9	#FFFFFF	#000000	##000000
##18C4C9	1.00	2.15	9.78	9.78
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.78	21.00	1.00	1.00
##000000	9.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5BACA

Deuteranopia (green-blind)

#9FAACA

Tritanopia (blue-blind)

#00CBC5

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #18c4c9;
/* rgb */ color: rgb(24, 196, 201);
/* oklch */ color: oklch(74.6% 0.124 198.2);

Tailwind

colors: {
  custom: {
    50: '#7dd6d9',
    500: '#18c4c9',
    950: '#000000',
  },
}

SCSS

$custom: #18c4c9;
$custom-light: #7dd6d9;
$custom-dark: #000000;

JSON

{
  "hex": "#18c4c9",
  "rgb": {
    "r": 24,
    "g": 196,
    "b": 201
  },
  "hsl": {
    "h": 181.695,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.74594,
    "c": 0.12388,
    "h": 198.2
  },
  "luminance": 0.43891
}

Semantic roles & 50–950 ramp

primary

#18C4C9

secondary

#D46C69

accent

#3833F5

background

#F8FDFD

surface

#F0FAFA

border

#CBD3D3

text

#0C1414

muted

#7D8383

Preview Lab

Preview with #18C4C9

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

Preview Lab → · Contrast checker → · Palette generator →