#42C4B3#42C4B3

#42C4B3 is a light, moderate teal. Relative luminance 0.439; OKLCH L 74.6% C 0.115 H 182.8°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#42C4B3
RGB	rgb(66, 196, 179)
HSL	hsl(172, 52%, 51%)
HSV	hsv(172, 66%, 77%)
CMYK	cmyk(66.3%, 0%, 8.7%, 23.1%)
CIE-LAB	lab(72.15, -39.09, -1.82)
CIE-LCH	lch(72.15, 39.13, 182.66°)
OKLab	oklab(74.57% -0.1144 -0.0055)
OKLCH	oklch(74.57% 0.115 182.8)
XYZ	xyz(30.1195, 43.8894, 49.5232)
Luminance	0.4389 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C4B3 #C44253

analogous

#42C472 #42C4B3 #4294C4

triadic

#42C4B3 #B342C4 #C4B342

tetradic

#42C4B3 #7242C4 #C44253 #94C442

square

#42C4B3 #7242C4 #C44253 #94C442

split-complementary

#42C4B3 #C44294 #C47242

monochromatic

#216A61 #30998B #42C4B3 #71D3C6 #9FE1D9

Accessibility & contrast

On white

2.15

#42C4B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#42C4B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C4B3

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C4B3	#FFFFFF	#000000	##000000
##42C4B3	1.00	2.15	9.78	9.78
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.78	21.00	1.00	1.00
##000000	9.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBB9B2

Deuteranopia (green-blind)

#A8ABB5

Tritanopia (blue-blind)

#00C8BF

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42c4b3;
/* rgb */ color: rgb(66, 196, 179);
/* oklch */ color: oklch(74.6% 0.115 182.8);

Tailwind

colors: {
  custom: {
    50: '#87d6c9',
    500: '#42c4b3',
    950: '#000000',
  },
}

SCSS

$custom: #42c4b3;
$custom-light: #87d6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#42c4b3",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 179
  },
  "hsl": {
    "h": 172.154,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74568,
    "c": 0.11458,
    "h": 182.8
  },
  "luminance": 0.43893
}

Semantic roles & 50–950 ramp

primary

#42C4B3

secondary

#CE949C

accent

#4C5FDC

background

#F8FDFC

surface

#F0FAF8

border

#CBD3D1

text

#0D1413

muted

#7D8382

Preview Lab

Preview with #42C4B3

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

Preview Lab → · Contrast checker → · Palette generator →