#42C9CD#42C9CD

#42C9CD is a light, moderate teal. Relative luminance 0.473; OKLCH L 76.6% C 0.114 H 197.9°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#42C9CD
RGB	rgb(66, 201, 205)
HSL	hsl(182, 58%, 53%)
HSV	hsv(182, 68%, 80%)
CMYK	cmyk(67.8%, 2%, 0%, 19.6%)
CIE-LAB	lab(74.40, -34.22, -12.61)
CIE-LCH	lch(74.40, 36.47, 200.22°)
OKLab	oklab(76.64% -0.1081 -0.035)
OKLCH	oklch(76.64% 0.114 197.9)
XYZ	xyz(34.1480, 47.3354, 65.0827)
Luminance	0.4734 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C9CD #CD4642

analogous

#42CD8C #42C9CD #4283CD

triadic

#42C9CD #CD42C9 #C9CD42

tetradic

#42C9CD #8C42CD #CD4642 #83CD42

square

#42C9CD #8C42CD #CD4642 #83CD42

split-complementary

#42C9CD #CD4283 #CD8C42

monochromatic

#1F7376 #2CA2A6 #42C9CD #72D7DA #A3E5E7

Accessibility & contrast

On white

2.01

#42C9CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#42C9CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C9CD

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C9CD	#FFFFFF	#000000	##000000
##42C9CD	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC0CE

Deuteranopia (green-blind)

#A6B1CE

Tritanopia (blue-blind)

#00D0CA

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c9cd;
/* rgb */ color: rgb(66, 201, 205);
/* oklch */ color: oklch(76.6% 0.114 197.9);

Tailwind

colors: {
  custom: {
    50: '#89dadc',
    500: '#42c9cd',
    950: '#000000',
  },
}

SCSS

$custom: #42c9cd;
$custom-light: #89dadc;
$custom-dark: #000000;

JSON

{
  "hex": "#42c9cd",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 205
  },
  "hsl": {
    "h": 181.727,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.76643,
    "c": 0.11361,
    "h": 197.9
  },
  "luminance": 0.47339
}

Semantic roles & 50–950 ramp

primary

#42C9CD

secondary

#D39997

accent

#4B46E1

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1515

muted

#7E8383

Preview Lab

Preview with #42C9CD

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

Preview Lab → · Contrast checker → · Palette generator →