#42D5D9#42D5D9

#42D5D9 is a light, vivid teal. Relative luminance 0.538; OKLCH L 79.9% C 0.121 H 197.7°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#42D5D9
RGB	rgb(66, 213, 217)
HSL	hsl(182, 67%, 55%)
HSV	hsv(182, 70%, 85%)
CMYK	cmyk(69.6%, 1.8%, 0%, 14.9%)
CIE-LAB	lab(78.32, -36.40, -13.21)
CIE-LCH	lch(78.32, 38.72, 199.94°)
OKLab	oklab(79.94% -0.1149 -0.0367)
OKLCH	oklch(79.94% 0.121 197.7)
XYZ	xyz(38.5598, 53.7520, 73.9751)
Luminance	0.5376 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5D9 #D94642

analogous

#42D991 #42D5D9 #428AD9

triadic

#42D5D9 #D942D5 #D5D942

tetradic

#42D5D9 #9142D9 #D94642 #8AD942

square

#42D5D9 #9142D9 #D94642 #8AD942

split-complementary

#42D5D9 #D9428A #D99142

monochromatic

#1B8386 #25B5B9 #42D5D9 #75E0E3 #A8ECED

Accessibility & contrast

On white

1.79

#42D5D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#42D5D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5D9

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5D9	#FFFFFF	#000000	##000000
##42D5D9	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CBDA

Deuteranopia (green-blind)

#B0BBDA

Tritanopia (blue-blind)

#00DCD6

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42d5d9;
/* rgb */ color: rgb(66, 213, 217);
/* oklch */ color: oklch(79.9% 0.121 197.7);

Tailwind

colors: {
  custom: {
    50: '#8ce2e4',
    500: '#42d5d9',
    950: '#000000',
  },
}

SCSS

$custom: #42d5d9;
$custom-light: #8ce2e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5d9",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 217
  },
  "hsl": {
    "h": 181.589,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79935,
    "c": 0.12057,
    "h": 197.7
  },
  "luminance": 0.53757
}

Semantic roles & 50–950 ramp

primary

#42D5D9

secondary

#8C3533

accent

#433EE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #42D5D9

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

Preview Lab → · Contrast checker → · Palette generator →