#42C4BD#42C4BD

#42C4BD is a light, moderate teal. Relative luminance 0.443; OKLCH L 74.9% C 0.112 H 189.9°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#42C4BD
RGB	rgb(66, 196, 189)
HSL	hsl(177, 52%, 51%)
HSV	hsv(177, 66%, 77%)
CMYK	cmyk(66.3%, 0%, 3.6%, 23.1%)
CIE-LAB	lab(72.43, -36.39, -6.85)
CIE-LCH	lch(72.43, 37.03, 190.66°)
OKLab	oklab(74.89% -0.11 -0.0192)
OKLCH	oklch(74.89% 0.112 189.9)
XYZ	xyz(31.1678, 44.3087, 55.0441)
Luminance	0.4431 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4BD #C44249

analogous

#42C47C #42C4BD #428AC4

triadic

#42C4BD #BD42C4 #C4BD42

tetradic

#42C4BD #7C42C4 #C44249 #8AC442

square

#42C4BD #7C42C4 #C44249 #8AC442

split-complementary

#42C4BD #C4428A #C47C42

monochromatic

#216A66 #309993 #42C4BD #71D3CD #9FE1DE

Accessibility & contrast

On white

2.13

#42C4BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.86

#42C4BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4BD

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4BD	#FFFFFF	#000000	##000000
##42C4BD	1.00	2.13	9.86	9.86
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.86	21.00	1.00	1.00
##000000	9.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9BABD

Deuteranopia (green-blind)

#A6ACBE

Tritanopia (blue-blind)

#00C9C2

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42c4bd;
/* rgb */ color: rgb(66, 196, 189);
/* oklch */ color: oklch(74.9% 0.112 189.9);

Tailwind

colors: {
  custom: {
    50: '#87d6d0',
    500: '#42c4bd',
    950: '#000000',
  },
}

SCSS

$custom: #42c4bd;
$custom-light: #87d6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4bd",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 189
  },
  "hsl": {
    "h": 176.769,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74888,
    "c": 0.11164,
    "h": 189.9
  },
  "luminance": 0.44312
}

Semantic roles & 50–950 ramp

primary

#42C4BD

secondary

#CE9497

accent

#4C54DC

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1414

muted

#7E8382

Preview Lab

Preview with #42C4BD

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

Preview Lab → · Contrast checker → · Palette generator →