#42CCB5#42CCB5

#42CCB5 is a light, vivid teal. Relative luminance 0.477; OKLCH L 76.6% C 0.122 H 179.4°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#42CCB5
RGB	rgb(66, 204, 181)
HSL	hsl(170, 58%, 53%)
HSV	hsv(170, 68%, 80%)
CMYK	cmyk(67.6%, 0%, 11.3%, 20%)
CIE-LAB	lab(74.62, -42.13, 0.70)
CIE-LCH	lch(74.62, 42.14, 179.04°)
OKLab	oklab(76.59% -0.1217 0.0012)
OKLCH	oklch(76.59% 0.122 179.4)
XYZ	xyz(32.1761, 47.6765, 51.2138)
Luminance	0.4768 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CCB5 #CC4259

analogous

#42CC70 #42CCB5 #429ECC

triadic

#42CCB5 #B542CC #CCB542

tetradic

#42CCB5 #7042CC #CC4259 #9ECC42

square

#42CCB5 #7042CC #CC4259 #9ECC42

split-complementary

#42CCB5 #CC429E #CC7042

monochromatic

#1F7466 #2CA490 #42CCB5 #72D9C8 #A2E6DB

Accessibility & contrast

On white

1.99

#42CCB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#42CCB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CCB5

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CCB5	#FFFFFF	#000000	##000000
##42CCB5	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4C0B4

Deuteranopia (green-blind)

#B0B2B7

Tritanopia (blue-blind)

#00CFC5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #42ccb5;
/* rgb */ color: rgb(66, 204, 181);
/* oklch */ color: oklch(76.6% 0.122 179.4);

Tailwind

colors: {
  custom: {
    50: '#88dccb',
    500: '#42ccb5',
    950: '#000000',
  },
}

SCSS

$custom: #42ccb5;
$custom-light: #88dccb;
$custom-dark: #000000;

JSON

{
  "hex": "#42ccb5",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 181
  },
  "hsl": {
    "h": 170,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.76594,
    "c": 0.12171,
    "h": 179.4
  },
  "luminance": 0.4768
}

Semantic roles & 50–950 ramp

primary

#42CCB5

secondary

#D397A1

accent

#4761E1

background

#F9FDFC

surface

#F1FBF8

border

#CBD4D1

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42CCB5

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

Preview Lab → · Contrast checker → · Palette generator →