#42C7A9#42C7A9

#42C7A9 is a light, vivid teal. Relative luminance 0.449; OKLCH L 75.0% C 0.123 H 174.7°. Best body text is #000000 at 9.97:1 contrast (WCAG AA passes).

Color values

HEX#42C7A9
RGBrgb(66, 199, 169)
HSLhsl(166, 54%, 52%)
HSVhsv(166, 67%, 78%)
CMYKcmyk(66.8%, 0%, 15.1%, 22%)
CIE-LABlab(72.80, -42.99, 4.56)
CIE-LCHlch(72.80, 43.23, 173.95°)
OKLaboklab(75.01% -0.1221 0.0114)
OKLCHoklch(75.01% 0.123 174.7)
XYZxyz(29.8281, 44.8663, 44.6165)
Luminance0.4487 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C7A9 #C74260
analogous
#42C767 #42C7A9 #42A3C7
triadic
#42C7A9 #A942C7 #C7A942
tetradic
#42C7A9 #6742C7 #C74260 #A3C742
square
#42C7A9 #6742C7 #C74260 #A3C742
split-complementary
#42C7A9 #C742A3 #C76742
monochromatic
#216E5D #2F9D84 #42C7A9 #71D5BE #A0E3D4

Accessibility & contrast

On white

2.11
#42C7A9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.97
#42C7A9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C7A9
9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C7A9#FFFFFF#000000##000000
##42C7A91.002.119.979.97
#FFFFFF2.111.0021.0021.00
#0000009.9721.001.001.00
##0000009.9721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C0BBA8
Deuteranopia (green-blind)
#AEADAB
Tritanopia (blue-blind)
#00C9BE
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #42c7a9;
/* rgb */ color: rgb(66, 199, 169);
/* oklch */ color: oklch(75.0% 0.123 174.7);
Tailwind
colors: {
  custom: {
    50: '#87d9c2',
    500: '#42c7a9',
    950: '#000000',
  },
}
SCSS
$custom: #42c7a9;
$custom-light: #87d9c2;
$custom-dark: #000000;
JSON
{
  "hex": "#42c7a9",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 169
  },
  "hsl": {
    "h": 166.466,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.75011,
    "c": 0.12263,
    "h": 174.7
  },
  "luminance": 0.4487
}

Semantic roles & 50–950 ramp

primary
#42C7A9
secondary
#D095A2
accent
#4A6BDE
background
#F8FDFB
surface
#F0FAF7
border
#CBD3D0
text
#0D1512
muted
#7D8381

Preview Lab

Preview with #42C7A9

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

Preview Lab → · Contrast checker → · Palette generator →

#42C7A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva