#42C5CA#42C5CA

#42C5CA is a light, moderate teal. Relative luminance 0.454; OKLCH L 75.6% C 0.111 H 198.8°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#42C5CA
RGB	rgb(66, 197, 202)
HSL	hsl(182, 56%, 53%)
HSV	hsv(182, 67%, 79%)
CMYK	cmyk(67.3%, 2.5%, 0%, 20.8%)
CIE-LAB	lab(73.12, -33.19, -12.90)
CIE-LCH	lch(73.12, 35.61, 201.23°)
OKLab	oklab(75.58% -0.1054 -0.0358)
OKLCH	oklch(75.58% 0.111 198.8)
XYZ	xyz(32.8690, 45.3513, 62.8871)
Luminance	0.4536 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C5CA #CA4742

analogous

#42CA8B #42C5CA #4281CA

triadic

#42C5CA #CA42C5 #C5CA42

tetradic

#42C5CA #8B42CA #CA4742 #81CA42

square

#42C5CA #8B42CA #CA4742 #81CA42

split-complementary

#42C5CA #CA4281 #CA8B42

monochromatic

#206F72 #2D9DA2 #42C5CA #72D4D7 #A2E2E5

Accessibility & contrast

On white

2.09

#42C5CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#42C5CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C5CA

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C5CA	#FFFFFF	#000000	##000000
##42C5CA	1.00	2.09	10.07	10.07
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7BCCB

Deuteranopia (green-blind)

#A3ADCB

Tritanopia (blue-blind)

#00CCC6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c5ca;
/* rgb */ color: rgb(66, 197, 202);
/* oklch */ color: oklch(75.6% 0.111 198.8);

Tailwind

colors: {
  custom: {
    50: '#89d7da',
    500: '#42c5ca',
    950: '#000000',
  },
}

SCSS

$custom: #42c5ca;
$custom-light: #89d7da;
$custom-dark: #000000;

JSON

{
  "hex": "#42c5ca",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 202
  },
  "hsl": {
    "h": 182.206,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.75575,
    "c": 0.11127,
    "h": 198.8
  },
  "luminance": 0.45355
}

Semantic roles & 50–950 ramp

primary

#42C5CA

secondary

#D19996

accent

#4E48DF

background

#F9FDFD

surface

#F1FAFA

border

#CBD3D3

text

#0D1414

muted

#7E8383

Preview Lab

Preview with #42C5CA

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

Preview Lab → · Contrast checker → · Palette generator →