#42D9B2#42D9B2

#42D9B2 is a light, vivid teal. Relative luminance 0.540; OKLCH L 79.7% C 0.138 H 171.6°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#42D9B2
RGB	rgb(66, 217, 178)
HSL	hsl(165, 67%, 55%)
HSV	hsv(165, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 18%, 14.9%)
CIE-LAB	lab(78.46, -48.45, 7.86)
CIE-LCH	lch(78.46, 49.09, 170.79°)
OKLab	oklab(79.7% -0.1361 0.02)
OKLCH	oklch(79.7% 0.138 171.6)
XYZ	xyz(35.0914, 53.9943, 50.6834)
Luminance	0.5400 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9B2 #D94269

analogous

#42D966 #42D9B2 #42B5D9

triadic

#42D9B2 #B242D9 #D9B242

tetradic

#42D9B2 #6642D9 #D94269 #B5D942

square

#42D9B2 #6642D9 #D94269 #B5D942

split-complementary

#42D9B2 #D942B5 #D96642

monochromatic

#1B866A #25B993 #42D9B2 #75E3C7 #A8EDDC

Accessibility & contrast

On white

1.78

#42D9B2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#42D9B2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9B2

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9B2	#FFFFFF	#000000	##000000
##42D9B2	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2CBB0

Deuteranopia (green-blind)

#BEBCB5

Tritanopia (blue-blind)

#00DBCE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42d9b2;
/* rgb */ color: rgb(66, 217, 178);
/* oklch */ color: oklch(79.7% 0.138 171.6);

Tailwind

colors: {
  custom: {
    50: '#8ae5c9',
    500: '#42d9b2',
    950: '#000000',
  },
}

SCSS

$custom: #42d9b2;
$custom-light: #8ae5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9b2",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 178
  },
  "hsl": {
    "h": 164.503,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79703,
    "c": 0.13756,
    "h": 171.6
  },
  "luminance": 0.53998
}

Semantic roles & 50–950 ramp

primary

#42D9B2

secondary

#8C334A

accent

#3E6BE9

background

#FCFEFD

surface

#F4FCF9

border

#CED5D2

text

#0D1613

muted

#7F8482

Preview Lab

Preview with #42D9B2

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

Preview Lab → · Contrast checker → · Palette generator →