#42C6CB#42C6CB

#42C6CB is a light, moderate teal. Relative luminance 0.459; OKLCH L 75.9% C 0.112 H 198.7°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#42C6CB
RGB	rgb(66, 198, 203)
HSL	hsl(182, 57%, 53%)
HSV	hsv(182, 67%, 80%)
CMYK	cmyk(67.5%, 2.5%, 0%, 20.4%)
CIE-LAB	lab(73.45, -33.38, -12.95)
CIE-LCH	lch(73.45, 35.80, 201.20°)
OKLab	oklab(75.85% -0.1059 -0.0359)
OKLCH	oklch(75.85% 0.112 198.7)
XYZ	xyz(33.2156, 45.8544, 63.5886)
Luminance	0.4586 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C6CB #CB4742

analogous

#42CB8C #42C6CB #4281CB

triadic

#42C6CB #CB42C6 #C6CB42

tetradic

#42C6CB #8C42CB #CB4742 #81CB42

square

#42C6CB #8C42CB #CB4742 #81CB42

split-complementary

#42C6CB #CB4281 #CB8C42

monochromatic

#207073 #2D9FA3 #42C6CB #72D4D8 #A2E3E5

Accessibility & contrast

On white

2.06

#42C6CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#42C6CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C6CB

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C6CB	#FFFFFF	#000000	##000000
##42C6CB	1.00	2.06	10.17	10.17
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8BDCC

Deuteranopia (green-blind)

#A4AECC

Tritanopia (blue-blind)

#00CDC7

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42c6cb;
/* rgb */ color: rgb(66, 198, 203);
/* oklch */ color: oklch(75.9% 0.112 198.7);

Tailwind

colors: {
  custom: {
    50: '#89d7da',
    500: '#42c6cb',
    950: '#000000',
  },
}

SCSS

$custom: #42c6cb;
$custom-light: #89d7da;
$custom-dark: #000000;

JSON

{
  "hex": "#42c6cb",
  "rgb": {
    "r": 66,
    "g": 198,
    "b": 203
  },
  "hsl": {
    "h": 182.19,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.75851,
    "c": 0.11186,
    "h": 198.7
  },
  "luminance": 0.45858
}

Semantic roles & 50–950 ramp

primary

#42C6CB

secondary

#D29997

accent

#4D48E0

background

#F9FDFD

surface

#F1FAFA

border

#CBD3D3

text

#0D1414

muted

#7E8383

Preview Lab

Preview with #42C6CB

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

Preview Lab → · Contrast checker → · Palette generator →