#42C7A8#42C7A8

#42C7A8 is a light, vivid teal. Relative luminance 0.448; OKLCH L 75.0% C 0.123 H 174.1°. Best body text is #000000 at 9.97:1 contrast (WCAG AA passes).

Color values

HEX#42C7A8
RGBrgb(66, 199, 168)
HSLhsl(166, 54%, 52%)
HSVhsv(166, 67%, 78%)
CMYKcmyk(66.8%, 0%, 15.6%, 22%)
CIE-LABlab(72.78, -43.24, 5.07)
CIE-LCHlch(72.78, 43.54, 173.32°)
OKLaboklab(74.98% -0.1226 0.0127)
OKLCHoklch(74.98% 0.123 174.1)
XYZxyz(29.7346, 44.8289, 44.1240)
Luminance0.4483 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C7A8 #C74261
analogous
#42C766 #42C7A8 #42A4C7
triadic
#42C7A8 #A842C7 #C7A842
tetradic
#42C7A8 #6642C7 #C74261 #A4C742
square
#42C7A8 #6642C7 #C74261 #A4C742
split-complementary
#42C7A8 #C742A4 #C76642
monochromatic
#216E5C #2F9D83 #42C7A8 #71D5BE #A0E3D3

Accessibility & contrast

On white

2.11
#42C7A8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.97
#42C7A8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7A8
9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C7A8#FFFFFF#000000##000000
##42C7A81.002.119.979.97
#FFFFFF2.111.0021.0021.00
#0000009.9721.001.001.00
##0000009.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0BBA7
Deuteranopia (green-blind)
#AEADAA
Tritanopia (blue-blind)
#00C9BE
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #42c7a8;
/* rgb */ color: rgb(66, 199, 168);
/* oklch */ color: oklch(75.0% 0.123 174.1);
Tailwind
colors: {
  custom: {
    50: '#87d9c1',
    500: '#42c7a8',
    950: '#000000',
  },
}
SCSS
$custom: #42c7a8;
$custom-light: #87d9c1;
$custom-dark: #000000;
JSON
{
  "hex": "#42c7a8",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 168
  },
  "hsl": {
    "h": 166.015,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.74983,
    "c": 0.12322,
    "h": 174.1
  },
  "luminance": 0.44832
}

Semantic roles & 50–950 ramp

primary
#42C7A8
secondary
#D095A3
accent
#4A6DDE
background
#F8FDFB
surface
#F0FAF7
border
#CBD3D0
text
#0D1512
muted
#7D8381

Preview Lab

Preview with #42C7A8

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

Preview Lab → · Contrast checker → · Palette generator →

#42C7A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva