#42C5AB#42C5AB

#42C5AB is a light, moderate teal. Relative luminance 0.440; OKLCH L 74.6% C 0.119 H 176.9°. Best body text is #000000 at 9.81:1 contrast (WCAG AA passes).

Color values

HEX#42C5AB
RGBrgb(66, 197, 171)
HSLhsl(168, 53%, 52%)
HSVhsv(168, 66%, 77%)
CMYKcmyk(66.5%, 0%, 13.2%, 22.7%)
CIE-LABlab(72.25, -41.61, 2.67)
CIE-LCHlch(72.25, 41.70, 176.33°)
OKLaboklab(74.57% -0.1191 0.0064)
OKLCHoklch(74.57% 0.119 176.9)
XYZxyz(29.5601, 44.0277, 45.4605)
Luminance0.4403 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C5AB #C5425C
analogous
#42C56A #42C5AB #429DC5
triadic
#42C5AB #AB42C5 #C5AB42
tetradic
#42C5AB #6A42C5 #C5425C #9DC542
square
#42C5AB #6A42C5 #C5425C #9DC542
split-complementary
#42C5AB #C5429D #C56A42
monochromatic
#216C5D #2F9A85 #42C5AB #71D3C0 #A0E2D5

Accessibility & contrast

On white

2.14
#42C5AB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.81
#42C5AB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5AB
9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C5AB#FFFFFF#000000##000000
##42C5AB1.002.149.819.81
#FFFFFF2.141.0021.0021.00
#0000009.8121.001.001.00
##0000009.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEB9AA
Deuteranopia (green-blind)
#ABACAD
Tritanopia (blue-blind)
#00C8BD
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #42c5ab;
/* rgb */ color: rgb(66, 197, 171);
/* oklch */ color: oklch(74.6% 0.119 176.9);
Tailwind
colors: {
  custom: {
    50: '#86d7c4',
    500: '#42c5ab',
    950: '#000000',
  },
}
SCSS
$custom: #42c5ab;
$custom-light: #86d7c4;
$custom-dark: #000000;
JSON
{
  "hex": "#42c5ab",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 171
  },
  "hsl": {
    "h": 168.092,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.74573,
    "c": 0.11929,
    "h": 176.9
  },
  "luminance": 0.44031
}

Semantic roles & 50–950 ramp

primary
#42C5AB
secondary
#CE95A0
accent
#4B68DC
background
#F8FDFC
surface
#F0FAF8
border
#CBD3D1
text
#0C1412
muted
#7D8381

Preview Lab

Preview with #42C5AB

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

Preview Lab → · Contrast checker → · Palette generator →

#42C5AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva