#42C5D9#42C5D9

#42C5D9 is a light, moderate teal. Relative luminance 0.461; OKLCH L 76.1% C 0.114 H 209.7°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#42C5D9
RGB	rgb(66, 197, 217)
HSL	hsl(188, 67%, 55%)
HSV	hsv(188, 70%, 85%)
CMYK	cmyk(69.6%, 9.2%, 0%, 14.9%)
CIE-LAB	lab(73.61, -28.78, -20.31)
CIE-LCH	lch(73.61, 35.22, 215.21°)
OKLab	oklab(76.13% -0.0991 -0.0565)
OKLCH	oklch(76.13% 0.114 209.7)
XYZ	xyz(34.7320, 46.0965, 72.6992)
Luminance	0.4610 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C5D9 #D95642

analogous

#42D9A1 #42C5D9 #4279D9

triadic

#42C5D9 #D942C5 #C5D942

tetradic

#42C5D9 #A142D9 #D95642 #79D942

square

#42C5D9 #A142D9 #D95642 #79D942

split-complementary

#42C5D9 #D94279 #D9A142

monochromatic

#1B7886 #25A5B9 #42C5D9 #75D5E3 #A8E4ED

Accessibility & contrast

On white

2.05

#42C5D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#42C5D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5D9

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C5D9	#FFFFFF	#000000	##000000
##42C5D9	1.00	2.05	10.22	10.22
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4BEDA

Deuteranopia (green-blind)

#9EAED9

Tritanopia (blue-blind)

#00CECB

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42c5d9;
/* rgb */ color: rgb(66, 197, 217);
/* oklch */ color: oklch(76.1% 0.114 209.7);

Tailwind

colors: {
  custom: {
    50: '#8ad7e4',
    500: '#42c5d9',
    950: '#000000',
  },
}

SCSS

$custom: #42c5d9;
$custom-light: #8ad7e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42c5d9",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 217
  },
  "hsl": {
    "h": 187.947,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76128,
    "c": 0.1141,
    "h": 209.7
  },
  "luminance": 0.46101
}

Semantic roles & 50–950 ramp

primary

#42C5D9

secondary

#DBA49C

accent

#553EE9

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C5D9

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

Preview Lab → · Contrast checker → · Palette generator →