#42D5C5#42D5C5

#42D5C5 is a light, vivid teal. Relative luminance 0.528; OKLCH L 79.3% C 0.124 H 184.5°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#42D5C5
RGB	rgb(66, 213, 197)
HSL	hsl(173, 64%, 55%)
HSV	hsv(173, 69%, 84%)
CMYK	cmyk(69%, 0%, 7.5%, 16.5%)
CIE-LAB	lab(77.74, -41.91, -3.34)
CIE-LCH	lch(77.74, 42.04, 184.55°)
OKLab	oklab(79.28% -0.1235 -0.0097)
OKLCH	oklch(79.28% 0.124 184.5)
XYZ	xyz(36.1143, 52.7738, 61.0955)
Luminance	0.5278 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5C5 #D54252

analogous

#42D57B #42D5C5 #429CD5

triadic

#42D5C5 #C542D5 #D5C542

tetradic

#42D5C5 #7B42D5 #D54252 #9CD542

square

#42D5C5 #7B42D5 #D54252 #9CD542

split-complementary

#42D5C5 #D5429C #D57B42

monochromatic

#1C8075 #28B2A3 #42D5C5 #74E0D4 #A6EBE4

Accessibility & contrast

On white

1.82

#42D5C5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#42D5C5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5C5

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5C5	#FFFFFF	#000000	##000000
##42D5C5	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBC9C4

Deuteranopia (green-blind)

#B6BAC7

Tritanopia (blue-blind)

#00DAD0

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d5c5;
/* rgb */ color: rgb(66, 213, 197);
/* oklch */ color: oklch(79.3% 0.124 184.5);

Tailwind

colors: {
  custom: {
    50: '#8ae2d6',
    500: '#42d5c5',
    950: '#000000',
  },
}

SCSS

$custom: #42d5c5;
$custom-light: #8ae2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5c5",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 197
  },
  "hsl": {
    "h": 173.469,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79277,
    "c": 0.12391,
    "h": 184.5
  },
  "luminance": 0.52778
}

Semantic roles & 50–950 ramp

primary

#42D5C5

secondary

#87343D

accent

#4153E7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D5C5

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

Preview Lab → · Contrast checker → · Palette generator →