#42C5BD#42C5BD

#42C5BD is a light, moderate teal. Relative luminance 0.448; OKLCH L 75.1% C 0.112 H 189.2°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX#42C5BD
RGBrgb(66, 197, 189)
HSLhsl(176, 53%, 52%)
HSVhsv(176, 66%, 77%)
CMYKcmyk(66.5%, 0%, 4.1%, 22.7%)
CIE-LABlab(72.73, -36.85, -6.41)
CIE-LCHlch(72.73, 37.40, 189.86°)
OKLaboklab(75.13% -0.111 -0.0179)
OKLCHoklch(75.13% 0.112 189.2)
XYZxyz(31.3941, 44.7613, 55.1195)
Luminance0.4476 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C5BD #C5424A
analogous
#42C57C #42C5BD #428CC5
triadic
#42C5BD #BD42C5 #C5BD42
tetradic
#42C5BD #7C42C5 #C5424A #8CC542
square
#42C5BD #7C42C5 #C5424A #8CC542
split-complementary
#42C5BD #C5428C #C57C42
monochromatic
#216C67 #2F9A94 #42C5BD #71D3CD #A0E2DE

Accessibility & contrast

On white

2.11
#42C5BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.95
#42C5BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5BD
9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C5BD#FFFFFF#000000##000000
##42C5BD1.002.119.959.95
#FFFFFF2.111.0021.0021.00
#0000009.9521.001.001.00
##0000009.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BABBBD
Deuteranopia (green-blind)
#A7ACBE
Tritanopia (blue-blind)
#00CAC2
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #42c5bd;
/* rgb */ color: rgb(66, 197, 189);
/* oklch */ color: oklch(75.1% 0.112 189.2);
Tailwind
colors: {
  custom: {
    50: '#88d7d0',
    500: '#42c5bd',
    950: '#000000',
  },
}
SCSS
$custom: #42c5bd;
$custom-light: #88d7d0;
$custom-dark: #000000;
JSON
{
  "hex": "#42c5bd",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 189
  },
  "hsl": {
    "h": 176.336,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.75132,
    "c": 0.11244,
    "h": 189.2
  },
  "luminance": 0.44765
}

Semantic roles & 50–950 ramp

primary
#42C5BD
secondary
#CE9598
accent
#4B54DC
background
#F9FDFC
surface
#F1FAF9
border
#CBD3D2
text
#0D1414
muted
#7E8382

Preview Lab

Preview with #42C5BD

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

Preview Lab → · Contrast checker → · Palette generator →

#42C5BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva