#18B491#18B491

#18B491 is a light, vivid teal. Relative luminance 0.349; OKLCH L 68.8% C 0.130 H 171.8°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#18B491
RGB	rgb(24, 180, 145)
HSL	hsl(167, 76%, 40%)
HSV	hsv(167, 87%, 71%)
CMYK	cmyk(86.7%, 0%, 19.4%, 29.4%)
CIE-LAB	lab(65.65, -45.87, 7.31)
CIE-LCH	lch(65.65, 46.44, 170.95°)
OKLab	oklab(68.77% -0.1283 0.0186)
OKLCH	oklch(68.77% 0.13 171.8)
XYZ	xyz(21.8060, 34.8782, 32.3655)
Luminance	0.3488 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18B491 #B4183B

analogous

#18B443 #18B491 #1889B4

triadic

#18B491 #9118B4 #B49118

tetradic

#18B491 #4318B4 #B4183B #89B418

square

#18B491 #4318B4 #B4183B #89B418

split-complementary

#18B491 #B41889 #B44318

monochromatic

#0A483A #117E65 #18B491 #27E2B8 #5DE9CA

Accessibility & contrast

On white

2.63

#18B491 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#18B491 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18B491

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18B491	#FFFFFF	#000000	##000000
##18B491	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEA78F

Deuteranopia (green-blind)

#9C9A93

Tritanopia (blue-blind)

#00B6AA

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #18b491;
/* rgb */ color: rgb(24, 180, 145);
/* oklch */ color: oklch(68.8% 0.130 171.8);

Tailwind

colors: {
  custom: {
    50: '#76cbb1',
    500: '#18b491',
    950: '#000000',
  },
}

SCSS

$custom: #18b491;
$custom-light: #76cbb1;
$custom-dark: #000000;

JSON

{
  "hex": "#18b491",
  "rgb": {
    "r": 24,
    "g": 180,
    "b": 145
  },
  "hsl": {
    "h": 166.538,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.68765,
    "c": 0.12968,
    "h": 171.8
  },
  "luminance": 0.34881
}

Semantic roles & 50–950 ramp

primary

#18B491

secondary

#CD5B74

accent

#355FF3

background

#F7FCFA

surface

#EEF9F5

border

#C9D2CF

text

#0A1310

muted

#7C827F

Preview Lab

Preview with #18B491

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

Preview Lab → · Contrast checker → · Palette generator →