#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
RGBrgb(24, 180, 145)
HSLhsl(167, 76%, 40%)
HSVhsv(167, 87%, 71%)
CMYKcmyk(86.7%, 0%, 19.4%, 29.4%)
CIE-LABlab(65.65, -45.87, 7.31)
CIE-LCHlch(65.65, 46.44, 170.95°)
OKLaboklab(68.77% -0.1283 0.0186)
OKLCHoklch(68.77% 0.13 171.8)
XYZxyz(21.8060, 34.8782, 32.3655)
Luminance0.3488 (WCAG relative)
Temperaturecool
Familyteal

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
##18B4911.002.637.987.98
#FFFFFF2.631.0021.0021.00
#0000007.9821.001.001.00
##0000007.9821.001.001.00

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 →

#18B491 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva