#42D5C7#42D5C7

#42D5C7 is a light, vivid teal. Relative luminance 0.529; OKLCH L 79.3% C 0.123 H 185.8°. Best body text is #000000 at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#42D5C7
RGB	rgb(66, 213, 199)
HSL	hsl(174, 64%, 55%)
HSV	hsv(174, 69%, 84%)
CMYK	cmyk(69%, 0%, 6.6%, 16.5%)
CIE-LAB	lab(77.80, -41.38, -4.33)
CIE-LCH	lch(77.80, 41.60, 185.97°)
OKLab	oklab(79.34% -0.1226 -0.0124)
OKLCH	oklch(79.34% 0.123 185.8)
XYZ	xyz(36.3450, 52.8661, 62.3104)
Luminance	0.5287 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5C7 #D54250

analogous

#42D57E #42D5C7 #4299D5

triadic

#42D5C7 #C742D5 #D5C742

tetradic

#42D5C7 #7E42D5 #D54250 #99D542

square

#42D5C7 #7E42D5 #D54250 #99D542

split-complementary

#42D5C7 #D54299 #D57E42

monochromatic

#1C8077 #28B2A5 #42D5C7 #74E0D6 #A6EBE5

Accessibility & contrast

On white

1.81

#42D5C7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.57

#42D5C7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5C7

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5C7	#FFFFFF	#000000	##000000
##42D5C7	1.00	1.81	11.57	11.57
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.57	21.00	1.00	1.00
##000000	11.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAC9C7

Deuteranopia (green-blind)

#B5BAC9

Tritanopia (blue-blind)

#00DAD0

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d5c7;
/* rgb */ color: rgb(66, 213, 199);
/* oklch */ color: oklch(79.3% 0.123 185.8);

Tailwind

colors: {
  custom: {
    50: '#8ae2d7',
    500: '#42d5c7',
    950: '#000000',
  },
}

SCSS

$custom: #42d5c7;
$custom-light: #8ae2d7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5c7",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 199
  },
  "hsl": {
    "h": 174.286,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79339,
    "c": 0.12326,
    "h": 185.8
  },
  "luminance": 0.5287
}

Semantic roles & 50–950 ramp

primary

#42D5C7

secondary

#87343C

accent

#4151E7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D5C7

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

Preview Lab → · Contrast checker → · Palette generator →