#42D1D9#42D1D9

#42D1D9 is a light, moderate teal. Relative luminance 0.518; OKLCH L 79.0% C 0.118 H 200.5°. Best body text is #000000 at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#42D1D9
RGB	rgb(66, 209, 217)
HSL	hsl(183, 67%, 55%)
HSV	hsv(183, 70%, 85%)
CMYK	cmyk(69.6%, 3.7%, 0%, 14.9%)
CIE-LAB	lab(77.14, -34.53, -14.97)
CIE-LCH	lch(77.14, 37.64, 203.44°)
OKLab	oklab(78.98% -0.1109 -0.0416)
OKLCH	oklch(78.98% 0.118 200.5)
XYZ	xyz(37.5661, 51.7645, 73.6439)
Luminance	0.5177 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D1D9 #D94A42

analogous

#42D996 #42D1D9 #4285D9

triadic

#42D1D9 #D942D1 #D1D942

tetradic

#42D1D9 #9642D9 #D94A42 #85D942

square

#42D1D9 #9642D9 #D94A42 #85D942

split-complementary

#42D1D9 #D94285 #D99642

monochromatic

#1B8086 #25B1B9 #42D1D9 #75DDE3 #A8EAED

Accessibility & contrast

On white

1.85

#42D1D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.35

#42D1D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D1D9

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D1D9	#FFFFFF	#000000	##000000
##42D1D9	1.00	1.85	11.35	11.35
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.35	21.00	1.00	1.00
##000000	11.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2C8DA

Deuteranopia (green-blind)

#ACB8DA

Tritanopia (blue-blind)

#00D9D3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #42d1d9;
/* rgb */ color: rgb(66, 209, 217);
/* oklch */ color: oklch(79.0% 0.118 200.5);

Tailwind

colors: {
  custom: {
    50: '#8bdfe4',
    500: '#42d1d9',
    950: '#000000',
  },
}

SCSS

$custom: #42d1d9;
$custom-light: #8bdfe4;
$custom-dark: #000000;

JSON

{
  "hex": "#42d1d9",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 217
  },
  "hsl": {
    "h": 183.179,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.78982,
    "c": 0.11848,
    "h": 200.5
  },
  "luminance": 0.51769
}

Semantic roles & 50–950 ramp

primary

#42D1D9

secondary

#8C3833

accent

#473EE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #42D1D9

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

Preview Lab → · Contrast checker → · Palette generator →