#42C4BF#42C4BF

#42C4BF is a light, moderate teal. Relative luminance 0.444; OKLCH L 75.0% C 0.111 H 191.4°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX#42C4BF
RGBrgb(66, 196, 191)
HSLhsl(178, 52%, 51%)
HSVhsv(178, 66%, 77%)
CMYKcmyk(66.3%, 0%, 2.6%, 23.1%)
CIE-LABlab(72.49, -35.84, -7.85)
CIE-LCHlch(72.49, 36.69, 192.36°)
OKLaboklab(74.95% -0.1091 -0.0219)
OKLCHoklch(74.95% 0.111 191.4)
XYZxyz(31.3864, 44.3962, 56.1953)
Luminance0.4440 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C4BF #C44247
analogous
#42C47E #42C4BF #4288C4
triadic
#42C4BF #BF42C4 #C4BF42
tetradic
#42C4BF #7E42C4 #C44247 #88C442
square
#42C4BF #7E42C4 #C44247 #88C442
split-complementary
#42C4BF #C44288 #C47E42
monochromatic
#216A68 #309995 #42C4BF #71D3CF #9FE1DF

Accessibility & contrast

On white

2.13
#42C4BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.88
#42C4BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4BF
9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C4BF#FFFFFF#000000##000000
##42C4BF1.002.139.889.88
#FFFFFF2.131.0021.0021.00
#0000009.8821.001.001.00
##0000009.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9BABF
Deuteranopia (green-blind)
#A5ACC0
Tritanopia (blue-blind)
#00C9C2
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #42c4bf;
/* rgb */ color: rgb(66, 196, 191);
/* oklch */ color: oklch(75.0% 0.111 191.4);
Tailwind
colors: {
  custom: {
    50: '#88d6d2',
    500: '#42c4bf',
    950: '#000000',
  },
}
SCSS
$custom: #42c4bf;
$custom-light: #88d6d2;
$custom-dark: #000000;
JSON
{
  "hex": "#42c4bf",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 191
  },
  "hsl": {
    "h": 177.692,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74954,
    "c": 0.11128,
    "h": 191.4
  },
  "luminance": 0.444
}

Semantic roles & 50–950 ramp

primary
#42C4BF
secondary
#CE9496
accent
#4C51DC
background
#F9FDFC
surface
#F1FAF9
border
#CBD3D2
text
#0D1414
muted
#7E8382

Preview Lab

Preview with #42C4BF

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

Preview Lab → · Contrast checker → · Palette generator →

#42C4BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva