#42D9D0#42D9D0

#42D9D0 is a light, vivid teal. Relative luminance 0.553; OKLCH L 80.6% C 0.124 H 189.1°. Best body text is #000000 at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#42D9D0
RGB	rgb(66, 217, 208)
HSL	hsl(176, 67%, 55%)
HSV	hsv(176, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 4.1%, 14.9%)
CIE-LAB	lab(79.23, -40.73, -7.02)
CIE-LCH	lch(79.23, 41.33, 189.79°)
OKLab	oklab(80.59% -0.1226 -0.0197)
OKLCH	oklch(80.59% 0.124 189.1)
XYZ	xyz(38.4395, 55.3335, 68.3168)
Luminance	0.5534 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9D0 #D9424B

analogous

#42D984 #42D9D0 #4296D9

triadic

#42D9D0 #D042D9 #D9D042

tetradic

#42D9D0 #8442D9 #D9424B #96D942

square

#42D9D0 #8442D9 #D9424B #96D942

split-complementary

#42D9D0 #D94296 #D98442

monochromatic

#1B867F #25B9B0 #42D9D0 #75E3DD #A8EDE9

Accessibility & contrast

On white

1.74

#42D9D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.07

#42D9D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9D0

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9D0	#FFFFFF	#000000	##000000
##42D9D0	1.00	1.74	12.07	12.07
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.07	21.00	1.00	1.00
##000000	12.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDCED0

Deuteranopia (green-blind)

#B7BDD1

Tritanopia (blue-blind)

#00DFD6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #42d9d0;
/* rgb */ color: rgb(66, 217, 208);
/* oklch */ color: oklch(80.6% 0.124 189.1);

Tailwind

colors: {
  custom: {
    50: '#8ce5de',
    500: '#42d9d0',
    950: '#000000',
  },
}

SCSS

$custom: #42d9d0;
$custom-light: #8ce5de;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9d0",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 208
  },
  "hsl": {
    "h": 176.424,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80591,
    "c": 0.12421,
    "h": 189.1
  },
  "luminance": 0.55338
}

Semantic roles & 50–950 ramp

primary

#42D9D0

secondary

#8C3338

accent

#3E49E9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D9D0

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

Preview Lab → · Contrast checker → · Palette generator →