#42C5BE#42C5BE

#42C5BE is a light, moderate teal. Relative luminance 0.448; OKLCH L 75.2% C 0.112 H 189.9°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX#42C5BE
RGBrgb(66, 197, 190)
HSLhsl(177, 53%, 52%)
HSVhsv(177, 66%, 77%)
CMYKcmyk(66.5%, 0%, 3.6%, 22.7%)
CIE-LABlab(72.76, -36.57, -6.91)
CIE-LCHlch(72.76, 37.22, 190.69°)
OKLaboklab(75.17% -0.1106 -0.0193)
OKLCHoklch(75.17% 0.112 189.9)
XYZxyz(31.5030, 44.8049, 55.6931)
Luminance0.4481 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C5BE #C54249
analogous
#42C57D #42C5BE #428BC5
triadic
#42C5BE #BE42C5 #C5BE42
tetradic
#42C5BE #7D42C5 #C54249 #8BC542
square
#42C5BE #7D42C5 #C54249 #8BC542
split-complementary
#42C5BE #C5428B #C57D42
monochromatic
#216C68 #2F9A95 #42C5BE #71D3CE #A0E2DE

Accessibility & contrast

On white

2.11
#42C5BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.96
#42C5BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5BE
9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C5BE#FFFFFF#000000##000000
##42C5BE1.002.119.969.96
#FFFFFF2.111.0021.0021.00
#0000009.9621.001.001.00
##0000009.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#BABBBE
Deuteranopia (green-blind)
#A6ACBF
Tritanopia (blue-blind)
#00CAC3
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #42c5be;
/* rgb */ color: rgb(66, 197, 190);
/* oklch */ color: oklch(75.2% 0.112 189.9);
Tailwind
colors: {
  custom: {
    50: '#88d7d1',
    500: '#42c5be',
    950: '#000000',
  },
}
SCSS
$custom: #42c5be;
$custom-light: #88d7d1;
$custom-dark: #000000;
JSON
{
  "hex": "#42c5be",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 190
  },
  "hsl": {
    "h": 176.794,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.75165,
    "c": 0.11224,
    "h": 189.9
  },
  "luminance": 0.44808
}

Semantic roles & 50–950 ramp

primary
#42C5BE
secondary
#CE9598
accent
#4B53DC
background
#F9FDFC
surface
#F1FAF9
border
#CBD3D2
text
#0D1414
muted
#7E8382

Preview Lab

Preview with #42C5BE

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

Preview Lab → · Contrast checker → · Palette generator →

#42C5BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva