#42C9BC#42C9BC

#42C9BC is a light, moderate teal. Relative luminance 0.466; OKLCH L 76.1% C 0.116 H 185.8°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#42C9BC
RGB	rgb(66, 201, 188)
HSL	hsl(174, 56%, 52%)
HSV	hsv(174, 67%, 79%)
CMYK	cmyk(67.2%, 0%, 6.5%, 21.2%)
CIE-LAB	lab(73.91, -38.95, -4.13)
CIE-LCH	lch(73.91, 39.17, 186.05°)
OKLab	oklab(76.08% -0.1155 -0.0118)
OKLCH	oklch(76.08% 0.116 185.8)
XYZ	xyz(32.2063, 46.5587, 54.8566)
Luminance	0.4656 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C9BC #C9424F

analogous

#42C978 #42C9BC #4293C9

triadic

#42C9BC #BC42C9 #C9BC42

tetradic

#42C9BC #7842C9 #C9424F #93C942

square

#42C9BC #7842C9 #C9424F #93C942

split-complementary

#42C9BC #C94293 #C97842

monochromatic

#207069 #2EA095 #42C9BC #72D7CD #A1E4DE

Accessibility & contrast

On white

2.04

#42C9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#42C9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C9BC

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C9BC	#FFFFFF	#000000	##000000
##42C9BC	1.00	2.04	10.31	10.31
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.31	21.00	1.00	1.00
##000000	10.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFBEBC

Deuteranopia (green-blind)

#ABB0BD

Tritanopia (blue-blind)

#00CDC5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42c9bc;
/* rgb */ color: rgb(66, 201, 188);
/* oklch */ color: oklch(76.1% 0.116 185.8);

Tailwind

colors: {
  custom: {
    50: '#88dad0',
    500: '#42c9bc',
    950: '#000000',
  },
}

SCSS

$custom: #42c9bc;
$custom-light: #88dad0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c9bc",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 188
  },
  "hsl": {
    "h": 174.222,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.76075,
    "c": 0.11611,
    "h": 185.8
  },
  "luminance": 0.46562
}

Semantic roles & 50–950 ramp

primary

#42C9BC

secondary

#D1969C

accent

#4957DF

background

#F9FDFC

surface

#F1FBF9

border

#CBD4D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42C9BC

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

Preview Lab → · Contrast checker → · Palette generator →