#42C5CD#42C5CD

#42C5CD is a light, moderate teal. Relative luminance 0.455; OKLCH L 75.7% C 0.111 H 201.0°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#42C5CD
RGB	rgb(66, 197, 205)
HSL	hsl(183, 58%, 53%)
HSV	hsv(183, 68%, 80%)
CMYK	cmyk(67.8%, 3.9%, 0%, 19.6%)
CIE-LAB	lab(73.22, -32.33, -14.39)
CIE-LCH	lch(73.22, 35.38, 203.99°)
OKLab	oklab(75.68% -0.1041 -0.0399)
OKLCH	oklch(75.68% 0.111 201)
XYZ	xyz(33.2276, 45.4947, 64.7759)
Luminance	0.4550 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C5CD #CD4A42

analogous

#42CD8F #42C5CD #427FCD

triadic

#42C5CD #CD42C5 #C5CD42

tetradic

#42C5CD #8F42CD #CD4A42 #7FCD42

square

#42C5CD #8F42CD #CD4A42 #7FCD42

split-complementary

#42C5CD #CD427F #CD8F42

monochromatic

#1F7176 #2C9FA6 #42C5CD #72D4DA #A3E3E7

Accessibility & contrast

On white

2.08

#42C5CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#42C5CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5CD

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C5CD	#FFFFFF	#000000	##000000
##42C5CD	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7BCCE

Deuteranopia (green-blind)

#A2ADCE

Tritanopia (blue-blind)

#00CCC7

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c5cd;
/* rgb */ color: rgb(66, 197, 205);
/* oklch */ color: oklch(75.7% 0.111 201.0);

Tailwind

colors: {
  custom: {
    50: '#89d7dc',
    500: '#42c5cd',
    950: '#000000',
  },
}

SCSS

$custom: #42c5cd;
$custom-light: #89d7dc;
$custom-dark: #000000;

JSON

{
  "hex": "#42c5cd",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 205
  },
  "hsl": {
    "h": 183.453,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.75682,
    "c": 0.11149,
    "h": 201
  },
  "luminance": 0.45499
}

Semantic roles & 50–950 ramp

primary

#42C5CD

secondary

#D39B97

accent

#4F46E1

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #42C5CD

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

Preview Lab → · Contrast checker → · Palette generator →