#42C5A8#42C5A8

#42C5A8 is a light, vivid teal. Relative luminance 0.439; OKLCH L 74.5% C 0.121 H 175.0°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX#42C5A8
RGBrgb(66, 197, 168)
HSLhsl(167, 53%, 52%)
HSVhsv(167, 66%, 77%)
CMYKcmyk(66.5%, 0%, 14.7%, 22.7%)
CIE-LABlab(72.17, -42.37, 4.19)
CIE-LCHlch(72.17, 42.58, 174.36°)
OKLaboklab(74.49% -0.1205 0.0104)
OKLCHoklch(74.49% 0.121 175)
XYZxyz(29.2774, 43.9147, 43.9716)
Luminance0.4392 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C5A8 #C5425F
analogous
#42C567 #42C5A8 #42A0C5
triadic
#42C5A8 #A842C5 #C5A842
tetradic
#42C5A8 #6742C5 #C5425F #A0C542
square
#42C5A8 #6742C5 #C5425F #A0C542
split-complementary
#42C5A8 #C542A0 #C56742
monochromatic
#216C5B #2F9A83 #42C5A8 #71D3BE #A0E2D3

Accessibility & contrast

On white

2.15
#42C5A8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.78
#42C5A8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5A8
9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C5A8#FFFFFF#000000##000000
##42C5A81.002.159.789.78
#FFFFFF2.151.0021.0021.00
#0000009.7821.001.001.00
##0000009.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEB9A7
Deuteranopia (green-blind)
#ACABAA
Tritanopia (blue-blind)
#00C7BC
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #42c5a8;
/* rgb */ color: rgb(66, 197, 168);
/* oklch */ color: oklch(74.5% 0.121 175.0);
Tailwind
colors: {
  custom: {
    50: '#86d7c1',
    500: '#42c5a8',
    950: '#000000',
  },
}
SCSS
$custom: #42c5a8;
$custom-light: #86d7c1;
$custom-dark: #000000;
JSON
{
  "hex": "#42c5a8",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 168
  },
  "hsl": {
    "h": 166.718,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.74487,
    "c": 0.12095,
    "h": 175
  },
  "luminance": 0.43918
}

Semantic roles & 50–950 ramp

primary
#42C5A8
secondary
#CE95A1
accent
#4B6BDC
background
#F8FDFB
surface
#F0FAF7
border
#CBD3D0
text
#0C1412
muted
#7D8381

Preview Lab

Preview with #42C5A8

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

Preview Lab → · Contrast checker → · Palette generator →

#42C5A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva