#42D5C9#42D5C9

#42D5C9 is a light, vivid teal. Relative luminance 0.530; OKLCH L 79.4% C 0.123 H 187.1°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#42D5C9
RGB	rgb(66, 213, 201)
HSL	hsl(175, 64%, 55%)
HSV	hsv(175, 69%, 84%)
CMYK	cmyk(69%, 0%, 5.6%, 16.5%)
CIE-LAB	lab(77.85, -40.84, -5.32)
CIE-LCH	lch(77.85, 41.18, 187.42°)
OKLab	oklab(79.4% -0.1218 -0.0151)
OKLCH	oklch(79.4% 0.123 187.1)
XYZ	xyz(36.5787, 52.9596, 63.5414)
Luminance	0.5296 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5C9 #D5424E

analogous

#42D580 #42D5C9 #4298D5

triadic

#42D5C9 #C942D5 #D5C942

tetradic

#42D5C9 #8042D5 #D5424E #98D542

square

#42D5C9 #8042D5 #D5424E #98D542

split-complementary

#42D5C9 #D54298 #D58042

monochromatic

#1C8078 #28B2A7 #42D5C9 #74E0D7 #A6EBE6

Accessibility & contrast

On white

1.81

#42D5C9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#42D5C9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5C9

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5C9	#FFFFFF	#000000	##000000
##42D5C9	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CACAC9

Deuteranopia (green-blind)

#B5BACA

Tritanopia (blue-blind)

#00DAD1

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d5c9;
/* rgb */ color: rgb(66, 213, 201);
/* oklch */ color: oklch(79.4% 0.123 187.1);

Tailwind

colors: {
  custom: {
    50: '#8ae2d9',
    500: '#42d5c9',
    950: '#000000',
  },
}

SCSS

$custom: #42d5c9;
$custom-light: #8ae2d9;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5c9",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 201
  },
  "hsl": {
    "h": 175.102,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79403,
    "c": 0.12269,
    "h": 187.1
  },
  "luminance": 0.52964
}

Semantic roles & 50–950 ramp

primary

#42D5C9

secondary

#87343B

accent

#414FE7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D5C9

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

Preview Lab → · Contrast checker → · Palette generator →