#42C4D9#42C4D9

#42C4D9 is a light, moderate teal. Relative luminance 0.456; OKLCH L 75.9% C 0.114 H 210.5°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#42C4D9
RGB	rgb(66, 196, 217)
HSL	hsl(188, 67%, 55%)
HSV	hsv(188, 70%, 85%)
CMYK	cmyk(69.6%, 9.7%, 0%, 14.9%)
CIE-LAB	lab(73.31, -28.29, -20.75)
CIE-LCH	lch(73.31, 35.08, 216.27°)
OKLab	oklab(75.89% -0.0982 -0.0577)
OKLCH	oklch(75.89% 0.114 210.5)
XYZ	xyz(34.5057, 45.6439, 72.6238)
Luminance	0.4565 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4D9 #D95742

analogous

#42D9A2 #42C4D9 #4279D9

triadic

#42C4D9 #D942C4 #C4D942

tetradic

#42C4D9 #A242D9 #D95742 #79D942

square

#42C4D9 #A242D9 #D95742 #79D942

split-complementary

#42C4D9 #D94279 #D9A242

monochromatic

#1B7786 #25A4B9 #42C4D9 #75D4E3 #A8E4ED

Accessibility & contrast

On white

2.07

#42C4D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#42C4D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4D9

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4D9	#FFFFFF	#000000	##000000
##42C4D9	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2BDDA

Deuteranopia (green-blind)

#9DADD9

Tritanopia (blue-blind)

#00CDCA

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c4d9;
/* rgb */ color: rgb(66, 196, 217);
/* oklch */ color: oklch(75.9% 0.114 210.5);

Tailwind

colors: {
  custom: {
    50: '#8ad6e4',
    500: '#42c4d9',
    950: '#000000',
  },
}

SCSS

$custom: #42c4d9;
$custom-light: #8ad6e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4d9",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 217
  },
  "hsl": {
    "h": 188.344,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.75891,
    "c": 0.11388,
    "h": 210.5
  },
  "luminance": 0.45648
}

Semantic roles & 50–950 ramp

primary

#42C4D9

secondary

#DBA59C

accent

#563EE9

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C4D9

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

Preview Lab → · Contrast checker → · Palette generator →