#42C0CE#42C0CE

#42C0CE is a light, moderate teal. Relative luminance 0.433; OKLCH L 74.5% C 0.110 H 205.7°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#42C0CE
RGB	rgb(66, 192, 206)
HSL	hsl(186, 59%, 53%)
HSV	hsv(186, 68%, 81%)
CMYK	cmyk(68%, 6.8%, 0%, 19.2%)
CIE-LAB	lab(71.76, -29.62, -17.12)
CIE-LCH	lch(71.76, 34.21, 210.02°)
OKLab	oklab(74.52% -0.0987 -0.0475)
OKLCH	oklch(74.52% 0.11 205.7)
XYZ	xyz(32.2322, 43.3101, 65.0415)
Luminance	0.4331 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C0CE #CE5042

analogous

#42CE96 #42C0CE #427ACE

triadic

#42C0CE #CE42C0 #C0CE42

tetradic

#42C0CE #9642CE #CE5042 #7ACE42

square

#42C0CE #9642CE #CE5042 #7ACE42

split-complementary

#42C0CE #CE427A #CE9642

monochromatic

#1F6E77 #2B9BA7 #42C0CE #73D0DB #A3E0E7

Accessibility & contrast

On white

2.17

#42C0CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#42C0CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C0CE

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C0CE	#FFFFFF	#000000	##000000
##42C0CE	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B8CF

Deuteranopia (green-blind)

#9CA9CE

Tritanopia (blue-blind)

#00C8C4

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42c0ce;
/* rgb */ color: rgb(66, 192, 206);
/* oklch */ color: oklch(74.5% 0.110 205.7);

Tailwind

colors: {
  custom: {
    50: '#88d3dd',
    500: '#42c0ce',
    950: '#000000',
  },
}

SCSS

$custom: #42c0ce;
$custom-light: #88d3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42c0ce",
  "rgb": {
    "r": 66,
    "g": 192,
    "b": 206
  },
  "hsl": {
    "h": 186,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.7452,
    "c": 0.10952,
    "h": 205.7
  },
  "luminance": 0.43314
}

Semantic roles & 50–950 ramp

primary

#42C0CE

secondary

#D49E98

accent

#5546E2

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C0CE

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

Preview Lab → · Contrast checker → · Palette generator →