#42C4CB#42C4CB

#42C4CB is a light, moderate teal. Relative luminance 0.450; OKLCH L 75.4% C 0.111 H 200.3°. Best body text is #000000 at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#42C4CB
RGB	rgb(66, 196, 203)
HSL	hsl(183, 57%, 53%)
HSV	hsv(183, 67%, 80%)
CMYK	cmyk(67.5%, 3.4%, 0%, 20.4%)
CIE-LAB	lab(72.86, -32.43, -13.84)
CIE-LCH	lch(72.86, 35.26, 203.11°)
OKLab	oklab(75.37% -0.1039 -0.0384)
OKLCH	oklch(75.37% 0.111 200.3)
XYZ	xyz(32.7614, 44.9462, 63.4372)
Luminance	0.4495 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4CB #CB4942

analogous

#42CB8E #42C4CB #427FCB

triadic

#42C4CB #CB42C4 #C4CB42

tetradic

#42C4CB #8E42CB #CB4942 #7FCB42

square

#42C4CB #8E42CB #CB4942 #7FCB42

split-complementary

#42C4CB #CB427F #CB8E42

monochromatic

#206F73 #2D9DA3 #42C4CB #72D3D8 #A2E2E5

Accessibility & contrast

On white

2.10

#42C4CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.99

#42C4CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4CB

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4CB	#FFFFFF	#000000	##000000
##42C4CB	1.00	2.10	9.99	9.99
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.99	21.00	1.00	1.00
##000000	9.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6BBCC

Deuteranopia (green-blind)

#A2ACCC

Tritanopia (blue-blind)

#00CBC6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c4cb;
/* rgb */ color: rgb(66, 196, 203);
/* oklch */ color: oklch(75.4% 0.111 200.3);

Tailwind

colors: {
  custom: {
    50: '#89d6da',
    500: '#42c4cb',
    950: '#000000',
  },
}

SCSS

$custom: #42c4cb;
$custom-light: #89d6da;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4cb",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 203
  },
  "hsl": {
    "h": 183.066,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.7537,
    "c": 0.1108,
    "h": 200.3
  },
  "luminance": 0.4495
}

Semantic roles & 50–950 ramp

primary

#42C4CB

secondary

#D29A97

accent

#4F48E0

background

#F9FDFD

surface

#F1FAFA

border

#CBD3D3

text

#0D1414

muted

#7E8383

Preview Lab

Preview with #42C4CB

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

Preview Lab → · Contrast checker → · Palette generator →