#42C5CE#42C5CE

#42C5CE is a light, moderate teal. Relative luminance 0.455; OKLCH L 75.7% C 0.112 H 201.7°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX#42C5CE
RGBrgb(66, 197, 206)
HSLhsl(184, 59%, 53%)
HSVhsv(184, 68%, 81%)
CMYKcmyk(68%, 4.4%, 0%, 19.2%)
CIE-LABlab(73.25, -32.04, -14.88)
CIE-LCHlch(73.25, 35.32, 204.92°)
OKLaboklab(75.72% -0.1037 -0.0413)
OKLCHoklch(75.72% 0.112 201.7)
XYZxyz(33.3487, 45.5432, 65.4137)
Luminance0.4555 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C5CE #CE4B42
analogous
#42CE91 #42C5CE #427FCE
triadic
#42C5CE #CE42C5 #C5CE42
tetradic
#42C5CE #9142CE #CE4B42 #7FCE42
square
#42C5CE #9142CE #CE4B42 #7FCE42
split-complementary
#42C5CE #CE427F #CE9142
monochromatic
#1F7177 #2B9FA7 #42C5CE #73D4DB #A3E3E7

Accessibility & contrast

On white

2.08
#42C5CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.11
#42C5CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5CE
10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C5CE#FFFFFF#000000##000000
##42C5CE1.002.0810.1110.11
#FFFFFF2.081.0021.0021.00
#00000010.1121.001.001.00
##00000010.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6BDCF
Deuteranopia (green-blind)
#A2ADCF
Tritanopia (blue-blind)
#00CCC7
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #42c5ce;
/* rgb */ color: rgb(66, 197, 206);
/* oklch */ color: oklch(75.7% 0.112 201.7);
Tailwind
colors: {
  custom: {
    50: '#89d7dd',
    500: '#42c5ce',
    950: '#000000',
  },
}
SCSS
$custom: #42c5ce;
$custom-light: #89d7dd;
$custom-dark: #000000;
JSON
{
  "hex": "#42c5ce",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 206
  },
  "hsl": {
    "h": 183.857,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.75718,
    "c": 0.1116,
    "h": 201.7
  },
  "luminance": 0.45547
}

Semantic roles & 50–950 ramp

primary
#42C5CE
secondary
#D49C98
accent
#5046E2
background
#F9FDFD
surface
#F1FAFB
border
#CBD3D4
text
#0D1415
muted
#7E8383

Preview Lab

Preview with #42C5CE

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

Preview Lab → · Contrast checker → · Palette generator →

#42C5CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva