#42CBBA#42CBBA

#42CBBA is a light, moderate teal. Relative luminance 0.474; OKLCH L 76.5% C 0.119 H 183.2°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX#42CBBA
RGBrgb(66, 203, 186)
HSLhsl(173, 57%, 53%)
HSVhsv(173, 67%, 80%)
CMYKcmyk(67.5%, 0%, 8.4%, 20.4%)
CIE-LABlab(74.45, -40.38, -2.25)
CIE-LCHlch(74.45, 40.44, 183.18°)
OKLaboklab(76.5% -0.1184 -0.0067)
OKLCHoklch(76.5% 0.119 183.2)
XYZxyz(32.4614, 47.4116, 53.8854)
Luminance0.4742 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42CBBA #CB4253
analogous
#42CB76 #42CBBA #4297CB
triadic
#42CBBA #BA42CB #CBBA42
tetradic
#42CBBA #7642CB #CB4253 #97CB42
square
#42CBBA #7642CB #CB4253 #97CB42
split-complementary
#42CBBA #CB4297 #CB7642
monochromatic
#207369 #2DA394 #42CBBA #72D8CC #A2E5DD

Accessibility & contrast

On white

2.00
#42CBBA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.48
#42CBBA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CBBA
10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42CBBA#FFFFFF#000000##000000
##42CBBA1.002.0010.4810.48
#FFFFFF2.001.0021.0021.00
#00000010.4821.001.001.00
##00000010.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1C0B9
Deuteranopia (green-blind)
#AEB1BC
Tritanopia (blue-blind)
#00CFC6
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #42cbba;
/* rgb */ color: rgb(66, 203, 186);
/* oklch */ color: oklch(76.5% 0.119 183.2);
Tailwind
colors: {
  custom: {
    50: '#88dbce',
    500: '#42cbba',
    950: '#000000',
  },
}
SCSS
$custom: #42cbba;
$custom-light: #88dbce;
$custom-dark: #000000;
JSON
{
  "hex": "#42cbba",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 186
  },
  "hsl": {
    "h": 172.555,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.76501,
    "c": 0.11862,
    "h": 183.2
  },
  "luminance": 0.47415
}

Semantic roles & 50–950 ramp

primary
#42CBBA
secondary
#D2979E
accent
#485BE0
background
#F9FDFC
surface
#F1FBF9
border
#CBD4D2
text
#0D1513
muted
#7E8382

Preview Lab

Preview with #42CBBA

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

Preview Lab → · Contrast checker → · Palette generator →

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