#42CBB4#42CBB4

#42CBB4 is a light, vivid teal. Relative luminance 0.472; OKLCH L 76.3% C 0.121 H 179.4°. Best body text is #000000 at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#42CBB4
RGB	rgb(66, 203, 180)
HSL	hsl(170, 57%, 53%)
HSV	hsv(170, 67%, 80%)
CMYK	cmyk(67.5%, 0%, 11.3%, 20.4%)
CIE-LAB	lab(74.29, -41.95, 0.77)
CIE-LCH	lch(74.29, 41.96, 178.95°)
OKLab	oklab(76.32% -0.1211 0.0014)
OKLCH	oklch(76.32% 0.121 179.4)
XYZ	xyz(31.8369, 47.1618, 50.5964)
Luminance	0.4717 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CBB4 #CB4259

analogous

#42CB6F #42CBB4 #429DCB

triadic

#42CBB4 #B442CB #CBB442

tetradic

#42CBB4 #6F42CB #CB4259 #9DCB42

square

#42CBB4 #6F42CB #CB4259 #9DCB42

split-complementary

#42CBB4 #CB429D #CB6F42

monochromatic

#207365 #2DA38F #42CBB4 #72D8C7 #A2E5DA

Accessibility & contrast

On white

2.01

#42CBB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.43

#42CBB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CBB4

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CBB4	#FFFFFF	#000000	##000000
##42CBB4	1.00	2.01	10.43	10.43
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.43	21.00	1.00	1.00
##000000	10.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3BFB3

Deuteranopia (green-blind)

#AFB1B6

Tritanopia (blue-blind)

#00CEC4

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42cbb4;
/* rgb */ color: rgb(66, 203, 180);
/* oklch */ color: oklch(76.3% 0.121 179.4);

Tailwind

colors: {
  custom: {
    50: '#88dbca',
    500: '#42cbb4',
    950: '#000000',
  },
}

SCSS

$custom: #42cbb4;
$custom-light: #88dbca;
$custom-dark: #000000;

JSON

{
  "hex": "#42cbb4",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 180
  },
  "hsl": {
    "h": 169.927,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.76318,
    "c": 0.12115,
    "h": 179.4
  },
  "luminance": 0.47165
}

Semantic roles & 50–950 ramp

primary

#42CBB4

secondary

#D297A1

accent

#4861E0

background

#F9FDFC

surface

#F1FBF8

border

#CBD4D1

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42CBB4

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

Preview Lab → · Contrast checker → · Palette generator →