#42C9CE#42C9CE

#42C9CE is a light, moderate teal. Relative luminance 0.474; OKLCH L 76.7% C 0.114 H 198.7°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#42C9CE
RGB	rgb(66, 201, 206)
HSL	hsl(182, 59%, 53%)
HSV	hsv(182, 68%, 81%)
CMYK	cmyk(68%, 2.4%, 0%, 19.2%)
CIE-LAB	lab(74.43, -33.93, -13.10)
CIE-LCH	lch(74.43, 36.38, 201.11°)
OKLab	oklab(76.68% -0.1077 -0.0363)
OKLCH	oklch(76.68% 0.114 198.7)
XYZ	xyz(34.2690, 47.3838, 65.7205)
Luminance	0.4739 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C9CE #CE4742

analogous

#42CE8D #42C9CE #4283CE

triadic

#42C9CE #CE42C9 #C9CE42

tetradic

#42C9CE #8D42CE #CE4742 #83CE42

square

#42C9CE #8D42CE #CE4742 #83CE42

split-complementary

#42C9CE #CE4283 #CE8D42

monochromatic

#1F7477 #2BA3A7 #42C9CE #73D7DB #A3E5E7

Accessibility & contrast

On white

2.00

#42C9CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#42C9CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C9CE

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C9CE	#FFFFFF	#000000	##000000
##42C9CE	1.00	2.00	10.48	10.48
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.48	21.00	1.00	1.00
##000000	10.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC0CF

Deuteranopia (green-blind)

#A6B1CF

Tritanopia (blue-blind)

#00D0CA

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c9ce;
/* rgb */ color: rgb(66, 201, 206);
/* oklch */ color: oklch(76.7% 0.114 198.7);

Tailwind

colors: {
  custom: {
    50: '#89dadc',
    500: '#42c9ce',
    950: '#000000',
  },
}

SCSS

$custom: #42c9ce;
$custom-light: #89dadc;
$custom-dark: #000000;

JSON

{
  "hex": "#42c9ce",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 206
  },
  "hsl": {
    "h": 182.143,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.76678,
    "c": 0.11364,
    "h": 198.7
  },
  "luminance": 0.47388
}

Semantic roles & 50–950 ramp

primary

#42C9CE

secondary

#D49A98

accent

#4B46E2

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1515

muted

#7E8383

Preview Lab

Preview with #42C9CE

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

Preview Lab → · Contrast checker → · Palette generator →