#42C3BF#42C3BF

#42C3BF is a light, moderate teal. Relative luminance 0.440; OKLCH L 74.7% C 0.111 H 192.1°. Best body text is #000000 at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#42C3BF
RGB	rgb(66, 195, 191)
HSL	hsl(178, 52%, 51%)
HSV	hsv(178, 66%, 76%)
CMYK	cmyk(66.2%, 0%, 2.1%, 23.5%)
CIE-LAB	lab(72.19, -35.37, -8.30)
CIE-LCH	lch(72.19, 36.33, 193.20°)
OKLab	oklab(74.71% -0.1081 -0.0231)
OKLCH	oklch(74.71% 0.111 192.1)
XYZ	xyz(31.1616, 43.9465, 56.1204)
Luminance	0.4395 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C3BF #C34246

analogous

#42C37E #42C3BF #4286C3

triadic

#42C3BF #BF42C3 #C3BF42

tetradic

#42C3BF #7E42C3 #C34246 #86C342

square

#42C3BF #7E42C3 #C34246 #86C342

split-complementary

#42C3BF #C34286 #C37E42

monochromatic

#216967 #309894 #42C3BF #70D2CF #9FE0DE

Accessibility & contrast

On white

2.15

#42C3BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.79

#42C3BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C3BF

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C3BF	#FFFFFF	#000000	##000000
##42C3BF	1.00	2.15	9.79	9.79
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.79	21.00	1.00	1.00
##000000	9.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7B9BF

Deuteranopia (green-blind)

#A4ABC0

Tritanopia (blue-blind)

#00C8C1

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42c3bf;
/* rgb */ color: rgb(66, 195, 191);
/* oklch */ color: oklch(74.7% 0.111 192.1);

Tailwind

colors: {
  custom: {
    50: '#87d5d2',
    500: '#42c3bf',
    950: '#000000',
  },
}

SCSS

$custom: #42c3bf;
$custom-light: #87d5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#42c3bf",
  "rgb": {
    "r": 66,
    "g": 195,
    "b": 191
  },
  "hsl": {
    "h": 178.14,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74711,
    "c": 0.11053,
    "h": 192.1
  },
  "luminance": 0.4395
}

Semantic roles & 50–950 ramp

primary

#42C3BF

secondary

#CD9496

accent

#4D51DB

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1414

muted

#7E8382

Preview Lab

Preview with #42C3BF

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

Preview Lab → · Contrast checker → · Palette generator →