#42C4BB#42C4BB

#42C4BB is a light, moderate teal. Relative luminance 0.442; OKLCH L 74.8% C 0.112 H 188.4°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#42C4BB
RGB	rgb(66, 196, 187)
HSL	hsl(176, 52%, 51%)
HSV	hsv(176, 66%, 77%)
CMYK	cmyk(66.3%, 0%, 4.6%, 23.1%)
CIE-LAB	lab(72.38, -36.94, -5.85)
CIE-LCH	lch(72.38, 37.40, 188.99°)
OKLab	oklab(74.82% -0.1109 -0.0164)
OKLCH	oklch(74.82% 0.112 188.4)
XYZ	xyz(30.9522, 44.2225, 53.9086)
Luminance	0.4423 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4BB #C4424B

analogous

#42C47A #42C4BB #428CC4

triadic

#42C4BB #BB42C4 #C4BB42

tetradic

#42C4BB #7A42C4 #C4424B #8CC442

square

#42C4BB #7A42C4 #C4424B #8CC442

split-complementary

#42C4BB #C4428C #C47A42

monochromatic

#216A65 #309992 #42C4BB #71D3CC #9FE1DD

Accessibility & contrast

On white

2.13

#42C4BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.85

#42C4BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4BB

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4BB	#FFFFFF	#000000	##000000
##42C4BB	1.00	2.13	9.85	9.85
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.85	21.00	1.00	1.00
##000000	9.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9BABB

Deuteranopia (green-blind)

#A6ACBC

Tritanopia (blue-blind)

#00C9C1

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42c4bb;
/* rgb */ color: rgb(66, 196, 187);
/* oklch */ color: oklch(74.8% 0.112 188.4);

Tailwind

colors: {
  custom: {
    50: '#87d6cf',
    500: '#42c4bb',
    950: '#000000',
  },
}

SCSS

$custom: #42c4bb;
$custom-light: #87d6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4bb",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 187
  },
  "hsl": {
    "h": 175.846,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74822,
    "c": 0.11208,
    "h": 188.4
  },
  "luminance": 0.44226
}

Semantic roles & 50–950 ramp

primary

#42C4BB

secondary

#CE9498

accent

#4C56DC

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1413

muted

#7E8382

Preview Lab

Preview with #42C4BB

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

Preview Lab → · Contrast checker → · Palette generator →