#42C8D9#42C8D9

#42C8D9 is a light, moderate teal. Relative luminance 0.475; OKLCH L 76.8% C 0.115 H 207.3°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#42C8D9
RGB	rgb(66, 200, 217)
HSL	hsl(187, 67%, 55%)
HSV	hsv(187, 70%, 85%)
CMYK	cmyk(69.6%, 7.8%, 0%, 14.9%)
CIE-LAB	lab(74.49, -30.24, -18.97)
CIE-LCH	lch(74.49, 35.70, 212.10°)
OKLab	oklab(76.84% -0.1021 -0.0527)
OKLCH	oklch(76.84% 0.115 207.3)
XYZ	xyz(35.4200, 47.4725, 72.9285)
Luminance	0.4748 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8D9 #D95342

analogous

#42D99E #42C8D9 #427CD9

triadic

#42C8D9 #D942C8 #C8D942

tetradic

#42C8D9 #9E42D9 #D95342 #7CD942

square

#42C8D9 #9E42D9 #D95342 #7CD942

split-complementary

#42C8D9 #D9427C #D99E42

monochromatic

#1B7A86 #25A8B9 #42C8D9 #75D7E3 #A8E6ED

Accessibility & contrast

On white

2.00

#42C8D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.50

#42C8D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8D9

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8D9	#FFFFFF	#000000	##000000
##42C8D9	1.00	2.00	10.50	10.50
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.50	21.00	1.00	1.00
##000000	10.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C0DA

Deuteranopia (green-blind)

#A2B0D9

Tritanopia (blue-blind)

#00D1CD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c8d9;
/* rgb */ color: rgb(66, 200, 217);
/* oklch */ color: oklch(76.8% 0.115 207.3);

Tailwind

colors: {
  custom: {
    50: '#8ad9e4',
    500: '#42c8d9',
    950: '#000000',
  },
}

SCSS

$custom: #42c8d9;
$custom-light: #8ad9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8d9",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 217
  },
  "hsl": {
    "h": 186.755,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76841,
    "c": 0.11491,
    "h": 207.3
  },
  "luminance": 0.47477
}

Semantic roles & 50–950 ramp

primary

#42C8D9

secondary

#DBA39C

accent

#523EE9

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C8D9

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

Preview Lab → · Contrast checker → · Palette generator →