#42C9BA#42C9BA

#42C9BA is a light, moderate teal. Relative luminance 0.465; OKLCH L 76.0% C 0.117 H 184.5°. Best body text is #000000 at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#42C9BA
RGB	rgb(66, 201, 186)
HSL	hsl(173, 56%, 52%)
HSV	hsv(173, 67%, 79%)
CMYK	cmyk(67.2%, 0%, 7.5%, 21.2%)
CIE-LAB	lab(73.85, -39.48, -3.13)
CIE-LCH	lch(73.85, 39.61, 184.53°)
OKLab	oklab(76.01% -0.1164 -0.0091)
OKLCH	oklch(76.01% 0.117 184.5)
XYZ	xyz(31.9922, 46.4731, 53.7290)
Luminance	0.4648 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C9BA #C94251

analogous

#42C976 #42C9BA #4295C9

triadic

#42C9BA #BA42C9 #C9BA42

tetradic

#42C9BA #7642C9 #C94251 #95C942

square

#42C9BA #7642C9 #C94251 #95C942

split-complementary

#42C9BA #C94295 #C97642

monochromatic

#207068 #2EA093 #42C9BA #72D7CB #A1E4DD

Accessibility & contrast

On white

2.04

#42C9BA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.30

#42C9BA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C9BA

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C9BA	#FFFFFF	#000000	##000000
##42C9BA	1.00	2.04	10.30	10.30
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.30	21.00	1.00	1.00
##000000	10.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFBEBA

Deuteranopia (green-blind)

#ACAFBC

Tritanopia (blue-blind)

#00CDC4

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42c9ba;
/* rgb */ color: rgb(66, 201, 186);
/* oklch */ color: oklch(76.0% 0.117 184.5);

Tailwind

colors: {
  custom: {
    50: '#88dace',
    500: '#42c9ba',
    950: '#000000',
  },
}

SCSS

$custom: #42c9ba;
$custom-light: #88dace;
$custom-dark: #000000;

JSON

{
  "hex": "#42c9ba",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 186
  },
  "hsl": {
    "h": 173.333,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.76012,
    "c": 0.11675,
    "h": 184.5
  },
  "luminance": 0.46477
}

Semantic roles & 50–950 ramp

primary

#42C9BA

secondary

#D1969D

accent

#495ADF

background

#F9FDFC

surface

#F1FBF9

border

#CBD4D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42C9BA

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

Preview Lab → · Contrast checker → · Palette generator →