#42D9CD#42D9CD

#42D9CD is a light, vivid teal. Relative luminance 0.552; OKLCH L 80.5% C 0.125 H 187.2°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#42D9CD
RGB	rgb(66, 217, 205)
HSL	hsl(175, 67%, 55%)
HSV	hsv(175, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 5.5%, 14.9%)
CIE-LAB	lab(79.15, -41.54, -5.55)
CIE-LCH	lch(79.15, 41.91, 187.60°)
OKLab	oklab(80.5% -0.1239 -0.0157)
OKLCH	oklch(80.5% 0.125 187.2)
XYZ	xyz(38.0739, 55.1873, 66.3914)
Luminance	0.5519 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9CD #D9424E

analogous

#42D981 #42D9CD #4299D9

triadic

#42D9CD #CD42D9 #D9CD42

tetradic

#42D9CD #8142D9 #D9424E #99D942

square

#42D9CD #8142D9 #D9424E #99D942

split-complementary

#42D9CD #D94299 #D98142

monochromatic

#1B867D #25B9AD #42D9CD #75E3DA #A8EDE8

Accessibility & contrast

On white

1.74

#42D9CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.04

#42D9CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9CD

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9CD	#FFFFFF	#000000	##000000
##42D9CD	1.00	1.74	12.04	12.04
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.04	21.00	1.00	1.00
##000000	12.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDCDCD

Deuteranopia (green-blind)

#B8BDCF

Tritanopia (blue-blind)

#00DED5

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #42d9cd;
/* rgb */ color: rgb(66, 217, 205);
/* oklch */ color: oklch(80.5% 0.125 187.2);

Tailwind

colors: {
  custom: {
    50: '#8be5dc',
    500: '#42d9cd',
    950: '#000000',
  },
}

SCSS

$custom: #42d9cd;
$custom-light: #8be5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9cd",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 205
  },
  "hsl": {
    "h": 175.232,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80495,
    "c": 0.12494,
    "h": 187.2
  },
  "luminance": 0.55192
}

Semantic roles & 50–950 ramp

primary

#42D9CD

secondary

#8C333A

accent

#3E4CE9

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D9CD

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

Preview Lab → · Contrast checker → · Palette generator →